I mainly use it while doing yard work.

我主要用它在做庭院的工作。

A man and his wife were doing yard work.

一个男人和他老婆从事调车场的工作。

I have to go home to help with yard work.

我的回家帮忙干院子里的活了。

Avoid yard work! Mowing stirs up grass pollen.

避免庭院工作如割草。

Wear goggles when you're doing carpentry or even yard work.

做木工活或庭院里的活计时带上防护镜。