take off脱下
eg: Don't take off your coat.It's very cold today.
别脱下大衣，今天天很冷。
take off意为“脱下”时的反义短语为put on,take off还有“(飞机等）起飞”的意思。eg: Our plane took off at 8: 00 yesterday.
我们的飞机是昨天八点起飞的。

take off是“动词+副词”型短语。名词作其宾语时,可以放在off后面，也可以放在take和off中间;代词作其宾语时,必须放在take和off中间。eg: Your shoes are dirty. Please take them off.
你的鞋子脏了。请把它们脱下来吧。