that和which的用法区别：that可作代词、连词和副词，作为代词时，意为那个、那，作为连词时，用于某些动词、形容词和名词后，引出从句，作为副词时，意为那样、那么；which作为代词，意思有哪一个、……的那些。
一、that的中文含义及用法介绍
1、作为代词时，意为(指较远的人或事物)那， 那个;(指已提到过或已知的人或事物)那，那个;(特指)那，那种，那些。
例句：That's a nice dress.
那件连衣裙很漂亮。
What can I do about that?
这事我可怎么办？
Those present were in favour of change.
在座的人都赞成变革。
2、作为连词时，用于某些动词、形容词和名词后，引出从句;(表示结果)如此…以至;(表示希望或愿望)多么。
例句：It's possible (that) he has not received the letter.
可能他还没有收到那封信。
She was so tired (that) she couldn't think straight.
她累得昏头昏脑。
3、作为副词时，意为(以手势表示长度、大小等时用)那样，那么;不很;不那么;(用以强调程度)那么。
例句：It's about that long.
大约有那么长。
I was that scared I didn't know what to do.
我非常害怕，以至不知如何是好。
二、which的中文含义及用法介绍
which作为代词，含义为哪一个;哪一些;(明确所指的事物)…的那个，…的那些;(进一步提供有关某事物的信息)那个，那些。
例句：Which of the applicants has got the job?
哪一位应聘者得到了这份工作？
Houses which overlook the lake cost more.
俯瞰湖泊的房子要价高些。
His best movie, which won several awards, was about the life of Gandhi.
他最优秀的电影，就是荣获几项大奖的那一部，是关于甘地生平的。
