take sth. off什么意思？？？？~~~~急

短语take off用法分析

What was the girl doing when the UFO took off? 当飞碟起飞时，女孩在干什么？

（1）此处的take off意为“起飞”。例如：

When will the plane take off? 飞机何时起飞？

（2）take off还可以作“脱下”讲，反义词为put on。例如：

Put on your clothes. Don’t take them off. 把衣服穿上，别把衣服脱下。
从take off谈起

take off短语是学生学习英语时经常接触的短语。在高三课本第十六单元的Reading部分中，出现了下面的句子。
David"s career took off almost immediately when he was part of the Manchester United"s Youth Team that won the FA Youth Cup in 1992.
就在大卫作为曼联青年队的成员于1992年赢得英国足球总会青年杯以后，他的事业几乎马上开始腾飞。
为了帮助同学们更好地掌握take off的用法，总结如下。
一、脱下(衣裳等)，解(拿)掉——remove(an item of clothing)from one"s body
1)He took off his wet shoes.他脱下了浸湿的鞋子。
2)He took off his hat and bowed as he passed.他经过时脱帽鞠躬。
二、(指飞机等)起飞--(of an aeroplane，a helicopter，etc)leave the ground and begin to fly
The plane took off despite the fog.尽管有雾，飞机仍照常起飞。
三、(指观念、产品等)突然大受欢迎；(指产品的销售量)急增
1)The new dictiona