（1）pick up
pick up sb. 开车接某人
pick up sth. 捡起某物；偶然学会
【注意：当sb./sth.是代词时，需要将sb./sth.置于 pick 和up中间。比如：
pick up Amy ～pick her up
pick up English ～pick it up】
Please pick me up at 10 o'clock tomorrow.
请明天上午10点来接我。
He picked up the wallet off the ground.
他捡起了地上的钱包。
He picked up a lot of words from American TV shows.
他从美剧里学会了很多词汇。
（2）挑选、采摘。
pick a watermelon挑西瓜
pick your favorite singer选你最喜欢的歌手
pick flowers摘花
（3）挖鼻孔：pick one's nose
Don't pick your nose in public.
不要在公共场合挖鼻子。
