661. pick out 选出；拣出
I pick out some papers.
I'll pick out a good piece for you.
662. pick up 捡起，接送，学习
Can you pick up the apple for me?
He had to pick up his daughter.
663. pity for sb/sth 可怜，怜悯
I had pity for homeless dogs and cats.
664. place an order for sth. with 向...订购某物
Our company places an order for books with A company.
665. play a joke on sb. 开某人的玩笑
My brother usually plays a joke on me.
666. play a part (in) 起作用，参与
Why not play a part in their discussion?
All this may yet play a part in the war on terrorism.
667. play a trick on sb. 捉弄某人
He played a trick on his little sister.
668. be popular with 受...喜爱，爱戴
You cannot be popular with everybody.
669. precaution against 预防，警惕
As a precaution against earthquakes, the building is being reinforced.
670. be preferable to 更可取的，更好的
It would be preferable to employ two people, not one.