pull up
n.拉起(张力,停止,正偏,停车处)
例句与用法:
It was a hard pull up to the mountain hut.
费了很大力气才到达山上的小屋.
I daren't let Bill loose on the garden he'd pull up all the flowers.
我不敢把比尔放到花园去－－他会把花全都拔掉的.
The driving instructor told me to pull up at the post office.
驾驶教练让我在邮局停车.
pick up
捡起,拾起
例句与用法:
She's living with some man she picked up on holiday.
她与一个在假日认识的男人同住.
The children have picked up the local accent.
孩子都学会了当地口音了.
I was able to pick you up on the short wave radio.
我能用短波收音机收听到你的信号.
She soon picked up French when she went to live in France.
她到法国居住后很快就学会了法语.
Pick yourself up and brush yourself down.
自己站起来,把衣服掸乾净.
She picked up a valuable first edition at a village book sale.
她在乡村图书展销会上买到一本珍贵的首版书.
He picked up the girl at a college disco.
他在学校的迪斯科舞会上偶然结识了那姑娘.
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.
简单地说,一个是拉起,一个是捡起（上面的例句其实大都是拓展意思）
就我的经验而言：pull up是对有生命的,pick up是对无生命的
你想,总不能说我捡起了一个人吧