Umpiring
vt. 为…做裁判（umpire的现在分词形式）
🗣️ 情景例句
If you're prepared to put private information onto the internet, it won't be private for long.
如果你把个人资料放在互联网上，很快它就不会是什么秘密了。
You have to be there half an hour before departure time.
你要在起飞前半小时到那里。
It is Just what I need.
这正是我所需要的。