翻译4.7 Enabling shell autocompletion

docs/book/src/reference/completion.md

@@ -1,24 +1,24 @@
-# Enabling shell autocompletion
-The Kubebuilder completion script for Bash can be generated with the command `kubebuilder completion bash` as the Kubebuilder completion script for Zsh can be generated with the command `kubebuilder completion zsh`. 
-Note that sourcing the completion script in your shell enables Kubebuilder autocompletion. 
+# 开启 shell 自动补全
+
+Kubebuilder 的 Bash 补全脚本可以通过命令 `kubebuilder completion bash` 来自动生成，Kubebuilder 的 Zsh 补全脚本可以通过命令 `kubebuilder completion zsh` 来自动生成。需要注意的是在你的 shell 环境中用 source 运行一下补全脚本就会开启 Kubebuilder 自动补全。
 
 <aside class="note">
-<h1>Prerequisites for Bash</h1>
+<h1>Bash 前提条件</h1>
 
-The completion Bash script depends on [bash-completion](https://github.com/scop/bash-completion), which means that you have to install this software first (you can test if you have bash-completion already installed). Also, ensure that your Bash version is 4.1+. 
+Bash 脚本补全依赖于[bash-completion](https://github.com/scop/bash-completion)，这也就意味着你不得不首先安装此软件（如果你已经安装了 bash 补全，你可以进行测试）。此外，确保你的 Bash 版本是 4.1+。
 
 </aside>
 
 
-- Once installed, go ahead and add the path `/usr/local/bin/bash` in the  `/etc/shells`.
+- 一旦安装完成，要在 `/etc/shells` 中添加路径 `/usr/local/bin/bash`。
 
     `echo “/usr/local/bin/bash” > /etc/shells`
 
-- Make sure to use installed shell by current user.
+- 确保使用当前用户安装的 shell。
 
     `chsh -s /usr/local/bin/bash`
 
-- Add following content in /.bash_profile or ~/.bashrc
+- 在 /.bash_profile 或 ~/.bashrc 中添加以下内容：
 
 ```
 # kubebuilder autocompletion
@@ -27,9 +27,9 @@ if [ -f /usr/local/share/bash-completion/bash_completion ]; then
 fi
 . <(kubebuilder completion)
 ```
-- Restart terminal for the changes to be reflected.
+- 重启终端以便让修改生效。
 
 <aside class="note">
 <h1>Zsh</h1>
-Follow a similar protocol for `zsh` completion.
+`zsh` 补全可以参考上述流程。
 </aside>