当pick up作用的对象是人时，表示举起、搭载、抓捕等。当pick up作用的对象是物时，表示拿起、买、接收等。当pick up单独使用时，表示接电话、改善等。
pick up有哪些意思（一）作用对象是人时：
1、举起、抱起
He picked up the child and put her on his shoulders.
他抱起孩子让她骑在自己的肩膀上。
2、（开车）接、取
The next morning, my mum came to pick me up.
第二天早上,我的妈妈来接我。
3、逮捕
Tomhad been picked up by police at his office.
汤姆在他的办公室被**逮捕了。
（二）作用对象是物时
1、拿起、提起、捡起
He picked up his knife and fork.
他捡起了刀叉。
2、买
Let's pick up a couple of magazines for the train ride.
我们买几本杂志乘火车去吧。
3、接收
He picked up news from all sources.
他从各种渠道收集消息。
（三）单独使用
1、接电话
The phone rang and rang and nobody picked up.
电话铃响了又响，但没人接。
（四）搭配on使用
1、pick up on领略；意会
2、pick sb. up on挑毛病
pick up例句1、The police picked him up within the hour.
**不到一小时就将他逮捕了。
2、Shepicked upthe little book and gave it to the driver.
她捡起这本小书并给了司机。
3、I'd like to pick up on a couple of mistakes that you made.
我想说说你刚才犯得一些错误。
4、He picked up the phone and dialled the number.
他拿起电话，拨打号码。
5、She picked up Spanish when she was living in Mexico.
她旅居墨西哥时顺便学会了西班牙语。