diff --git a/po/zh-CN.po b/po/zh-CN.po
index 5147977c..257c2934 100644
--- a/po/zh-CN.po
+++ b/po/zh-CN.po
@@ -1334,11 +1334,11 @@ msgstr "</details>"
 
 #: src/running-the-course.md:1
 msgid "# Running the Course"
-msgstr ""
+msgstr "# 授课"
 
 #: src/running-the-course.md:3 src/running-the-course/course-structure.md:3
 msgid "> This page is for the course instructor."
-msgstr ""
+msgstr "> 本页面适用于课程教师。"
 
 #: src/running-the-course.md:5
 msgid ""
@@ -1346,10 +1346,11 @@ msgid ""
 "course\n"
 "internally at Google."
 msgstr ""
+"以下是有关 Google 内部授课方式的一些背景信息。"
 
 #: src/running-the-course.md:8
 msgid "Before you run the course, you will want to:"
-msgstr ""
+msgstr "在授课之前，你需要完成以下事项："
 
 #: src/running-the-course.md:10
 msgid ""
@@ -1403,6 +1404,39 @@ msgid ""
 "   and offer a solution, e.g., by showing people where to find the relevant\n"
 "   information in the standard library."
 msgstr ""
+"1. 熟悉课程资料。我们添加了演讲者备注，"
+"借此强调要点（请帮个忙，多多贡献演讲者备注！）。"
+"演示幻灯片时，你应确保在弹出式窗口中"
+"打开演讲者备注（点击对应的链接，在“演讲者备注”旁边有一个小箭头）。这样，"
+"你就可以确保屏幕整洁有序，更好地向全班学员展示课程内容。\n"
+"\n"
+"1. 确定培训日期。由于本课程至少需要三天的时间，因此我们建议你"
+"安排两周以上的时间。课程学员曾表示，"
+"在每堂课之间留一段间隔会很有帮助，因为这有利于他们"
+"吸收我们所提供的所有信息。\n"
+"\n"
+"1. 找一间足以容纳全体线下学员的大教室。我们建议你"
+"将课程人数控制在 15-25 人之间。这样，人数足够少，"
+"不仅便于学员提问问题，配备的一位教师也有"
+"时间答疑解惑。确保教室备有供你和"
+"学生使用的“课桌”：你们都需要能够坐下来并操作各自的笔记本电脑。"
+"特别是身为教师，你现场要进行大量编码，所以讲台对你"
+"来说用处不大。\n"
+"\n"
+"1. 在开课当天，请提前一点到教室，设置好教学设备"
+"。我们建议你直接在"
+"笔记本电脑上运行 `mdbook serve` 来演示课程内容（请参阅[安装说明][3]）。这样可"
+"以确保你在切换页面时没有延迟，演示效果更好。"
+"当你或课程学员发现拼写错误时，"
+"你也可以使用笔记本电脑及时更正。"
+"\n"
+"1. 让学员采取小组形式或独立解题。"
+"通常，我们会在上午和下午各安排 30-45 分钟的练习时间"
+"（包括查看解决方案的时间）。请务必"
+"询问学员是否遇到困难，或是否需要任何帮助。如果你看到"
+"多位学员遇到同样的问题，请在班级集体进行讲解，"
+"并提供相应的解决方案，例如告诉大家在标准库的什么位置"
+"可以找到相关信息。"
 
 #: src/running-the-course.md:43
 msgid ""
@@ -1410,6 +1444,8 @@ msgid ""
 "for\n"
 "you as it has been for us!"
 msgstr ""
+"今天的分享就是这些，祝你授课顺利！希望你和我们一样，"
+"乐在其中！"
 
 #: src/running-the-course.md:46
 msgid ""
@@ -1417,14 +1453,17 @@ msgid ""
 "course. We would love to hear what worked well for you and what can be made\n"
 "better. Your students are also very welcome to [send us feedback][2]!"
 msgstr ""
+"欢迎你课后[提供反馈][1]，帮助我们不断改进"
+"课程。我们非常期待了解哪些方面做得不错，哪些方面还需要"
+"改进。同时非常欢迎学生们[向我们发送反馈][2]！"
 
 #: src/running-the-course/course-structure.md:1
 msgid "# Course Structure"
-msgstr ""
+msgstr "# 课程结构"
 
 #: src/running-the-course/course-structure.md:5
 msgid "The course is fast paced and covers a lot of ground:"
-msgstr ""
+msgstr "本课程节奏紧凑，涵盖内容广泛："
 
 #: src/running-the-course/course-structure.md:7
 msgid ""
@@ -1432,20 +1471,25 @@ msgid ""
 "* Day 2: Compound data types,  pattern matching, the standard library.\n"
 "* Day 3: Traits and generics, error handling, testing, unsafe Rust."
 msgstr ""
+"* 第 1 天：Rust 的基础知识、所有权和借用检查器。\n"
+"* 第 2 天：复合数据类型、模式匹配和标准库。\n"
+"* 第 3 天：trait 和泛型、错误处理、测试和不安全 Rust。"
 
 #: src/running-the-course/course-structure.md:11
 msgid "## Deep Dives"
-msgstr ""
+msgstr "## 深入探究"
 
 #: src/running-the-course/course-structure.md:13
 msgid ""
 "In addition to the 3-day class on Rust Fundamentals, we cover some more\n"
 "specialized topics:"
 msgstr ""
+"除了为期 3 天的“Rust 基础知识”课程外，我们还推出了一些"
+"专题课程："
 
 #: src/running-the-course/course-structure.md:16
 msgid "### Android"
-msgstr ""
+msgstr "### Android"
 
 #: src/running-the-course/course-structure.md:18
 msgid ""
@@ -1455,6 +1499,9 @@ msgid ""
 "and\n"
 "Java."
 msgstr ""
+"“[深入探究 Android](../android.md)”课程为期半天，旨在介绍如何使用 Rust 进行\n"
+"Android 平台开发。其中包括与 C、C++ 和 Java 的"
+"互操作性。"
 
 #: src/running-the-course/course-structure.md:22
 msgid ""
@@ -1465,6 +1512,10 @@ msgid ""
 "system\n"
 "sees the `Android.bp` files in `src/android/`."
 msgstr ""
+"你将需要[签出 AOSP][1]。在同一机器上签出[课程库][2]，\n"
+"然后将 `src/android/` 目录移至"
+"所签出的 AOSP 的根目录。这将确保 Android 构建系统"
+"能检测到 `src/android/` 中的 `Android.bp` 文件。"
 
 #: src/running-the-course/course-structure.md:27
 msgid ""
@@ -1474,10 +1525,13 @@ msgid ""
 "the\n"
 "commands it runs and make sure they work when you run them by hand."
 msgstr ""
+"确保 `adb sync` 适用于你的模拟器或实际设备，\n"
+"并使用 `src/android/build_all.sh` 预构建所有 Android 示例。请阅读脚本，\n"
+"查看它所运行的命令，并确保这些命令能在你手动运行时正确执行。"
 
 #: src/running-the-course/course-structure.md:34
 msgid "### Bare-Metal"
-msgstr ""
+msgstr "### 裸机"
 
 #: src/running-the-course/course-structure.md:36
 msgid ""
@@ -1486,6 +1540,9 @@ msgid ""
 "bare-metal (embedded) development. Both microcontrollers and application\n"
 "processors are covered."
 msgstr ""
+"“[深入探究裸机](../bare-metal.md)”课程为期一天，旨在介绍如何使用 Rust 进行"
+"裸机（嵌入式）开发。其中涵盖了微控制器和应用\n"
+"处理器。"
 
 #: src/running-the-course/course-structure.md:40
 msgid ""
@@ -1495,10 +1552,14 @@ msgid ""
 "will need to install a number of packages as described on the [welcome\n"
 "page](../bare-metal.md)."
 msgstr ""
+"对于微控制器部分，你需要提前购买\n"
+"[BBC micro:bit](https://microbit.org/) 第 2 版开发板。每个人"
+"都需要安装多个软件包，\n"
+"具体如[欢迎页面](../bare-metal.md)中所述。"
 
 #: src/running-the-course/course-structure.md:45
 msgid "### Concurrency"
-msgstr ""
+msgstr "### 并发"
 
 #: src/running-the-course/course-structure.md:47
 msgid ""
@@ -1506,6 +1567,8 @@ msgid ""
 "classical\n"
 "as well as `async`/`await` concurrency."
 msgstr ""
+"“[深入探究并发](../concurrency.md)”课程为期一天，旨在介绍传统并发"
+"和 `async`/`await` 并发。"
 
 #: src/running-the-course/course-structure.md:50
 msgid ""
@@ -1515,6 +1578,9 @@ msgid ""
 "with\n"
 "them:"
 msgstr ""
+"你需要设置一个新 crate，下载所需的依赖项，\n"
+"做好课前准备。然后，你可以将示例复制/粘贴到 `src/main.rs` 中，\n"
+"以便对以下代码进行实验："
 
 #: src/running-the-course/course-structure.md:54
 msgid ""
@@ -1525,24 +1591,32 @@ msgid ""
 "cargo run\n"
 "```"
 msgstr ""
+"```shell\n"
+"cargo init concurrency\n"
+"cd concurrency\n"
+"cargo add tokio --features full\n"
+"cargo run\n"
+"```"
 
 #: src/running-the-course/course-structure.md:61
 msgid "## Format"
-msgstr ""
+msgstr "## 课程形式"
 
 #: src/running-the-course/course-structure.md:63
 msgid ""
 "The course is meant to be very interactive and we recommend letting the\n"
 "questions drive the exploration of Rust!"
 msgstr ""
+"本课程的互动性非常强，\n"
+"建议你以问题驱动探索 Rust！"
 
 #: src/running-the-course/keyboard-shortcuts.md:1
 msgid "# Keyboard Shortcuts"
-msgstr ""
+msgstr "# 键盘快捷键"
 
 #: src/running-the-course/keyboard-shortcuts.md:3
 msgid "There are several useful keyboard shortcuts in mdBook:"
-msgstr ""
+msgstr "mdBook 中有一些实用键盘快捷键："
 
 #: src/running-the-course/keyboard-shortcuts.md:5
 msgid ""
@@ -1551,34 +1625,44 @@ msgid ""
 "* <kbd>Ctrl + Enter</kbd>: Execute the code sample that has focus.\n"
 "* <kbd>s</kbd>: Activate the search bar."
 msgstr ""
+"* <kbd>向左箭头</kbd>：转到上一页。\n"
+"* <kbd>向右箭头</kbd>：转到下一页。\n"
+"* <kbd>Ctrl + Enter</kbd>：执行具有焦点的代码示例。\n"
+"* <kbd>s</kbd>：激活搜索栏。"
 
 #: src/running-the-course/translations.md:1
 msgid "# Translations"
-msgstr ""
+msgstr "# 翻译"
 
 #: src/running-the-course/translations.md:3
 msgid ""
 "The course has been translated into other languages by a set of wonderful\n"
 "volunteers:"
 msgstr ""
+"一批优秀的志愿者已将本课程"
+"翻译成其他语言："
 
 #: src/running-the-course/translations.md:6
 msgid ""
 "* [Brazilian Portuguese][pt-BR] by [@rastringer] and [@hugojacob].\n"
 "* [Korean][ko] by [@keispace], [@jiyongp] and [@jooyunghan]."
 msgstr ""
+"* [巴西葡萄牙语][pt-BR]：[@rastringer] 和 [@hugojacob]。\n"
+"* [韩语][ko]：[@keispace]、[@jiyongp] 和 [@jooyunghan]。"
 
 #: src/running-the-course/translations.md:9
 msgid ""
 "Use the language picker in the top-right corner to switch between languages."
-msgstr ""
+msgstr "使用右上角的语言选择器切换语言。"
 
-#: src/running-the-course/translations.md:11
+#: src/running-the-course/translations.md:20
 msgid ""
 "If you want to help with this effort, please see [our instructions] for how "
 "to\n"
 "get going. Translations are coordinated on the [issue tracker]."
 msgstr ""
+"如果你想参与其中，请参阅[我们的说明]，\n"
+"了解如何开始翻译。翻译工作将通过[问题跟踪器]进行协调。"
 
 #: src/cargo.md:1
 msgid "# Using Cargo"
@@ -20393,6 +20477,27 @@ msgid ""
 "```"
 msgstr ""
 
+#: src/running-the-course/translations.md:11
+msgid "## Incomplete Translations"
+msgstr "## 未完成的翻译"
+
+#: src/running-the-course/translations.md:13
+msgid ""
+"There is a large number of in-progress translations. We link to the most\n"
+"recently updated translations:"
+msgstr ""
+"多数语言版本仍在翻译中。我们会提供"
+"最近更新的翻译的链接："
+
+#: src/running-the-course/translations.md:16
+msgid ""
+"* [French][fr] by [@KookaS] and [@vcaen].\n"
+"* [German][de] by [@Throvn] and [@ronaldfw].\n"
+"* [Japanese][ja] by [@CoinEZ-JPN] and [@momotaro1105]."
+msgstr ""
+"* [法语][fr]：[@KookaS] 和 [@vcaen]。\n"
+"* [德语][de]：[@Throvn] 和 [@ronaldfw]。\n"
+"* [日语][ja]：[@CoinEZ-JPN] 和 [@momotaro1105]。"
 #: src/enums.md:6
 msgid ""
 "```rust,editable\n"
@@ -20420,6 +20525,7 @@ msgid ""
 "    println!(\"You got: {:?}\", flip_coin());\n"
 "}\n"
 "```"
+
 msgstr ""
 "```rust,editable\n"
 "fn generate_random_number() -> i32 {\n"