pick up 有以下用法：
1. pick up ： to take hold of and lift 捡起,拾起
2. pick up ： to be able to hear receive 收听,接听
3. pick up ： to collect or gather together 收集
4. pick up ： to buy sth with less money than usual / abtain sth cheaply 用少数的钱买到
5. pick up ： take sb along with one 用（车）来接,可以是到某处去接某人或载货,也可以是中途顺便把人或物带走.
6. pick up ： to raise oneself after a fall 跌倒后站起来
7. pick up ： to start again 继续做某事
8. pick up ： to catch 染上、得到
9. pick up ： to improve in health or improve 恢复健康、提高
10. pick up ： to tidy a room 整理、收拾
pick up在句中一般做谓语或伴随状语.
当pick up 后面接“名词”做宾语时,既可以放在pick 与up之间,也可以放在pick up之后.
如,pick up English （学会英语）或 pick English up （学会英语）
当pick up接“代词”做宾语时,只能放在放在pick 与up之间.
如,pick it up（学会它、收听它）, pick him up（接他）