/ðæt ||; ðæt/det pronounconj adv 1 (plural those /ðəʊz ||; ðoz/) used to refer to a person or thing, especially when he/she/it is not near the person speaking （用于指人或事物，尤指较远的）那个: I like that house over there. 我喜欢那边那幢房子。What's that in the road? 路上那个东西是什么？‘Could you pass me the book?’ ‘This one?’ ‘No, that one over there.’ “可以把书递给我吗？”“这本吗？”“不，那边那本。”
2 (plural those /ðəʊz ||; ðoz/) used for talking about a person or thing already known or mentioned （用于指已知或已提及的人或事物）那: That was the year we went to Spain, wasn't it? 就是我们去西班牙那一年，是不是？Can you give me back that money I lent you last week? 把上星期我借给你的钱还给我好吗？
3 /ðət ;strong form ðæt ||; ðət; ðæt/ (used for introducing a relative clause 用于引出关系从句) the person or thing already mentioned 提过的人或事物: I'm reading the book that won the Booker prize. 我正在看一本赢得布克小说奖的书。The people that live next door are French. 隔壁住的是法国人。
When that is the object of the verb in the relative clause, it is often left out I want to see the doctor (that) I saw last week. I wore the dress (that) I bought in Paris. 作关系从句的宾语时，that常省略：I want to see the doctor (that) I saw last week.我想见我上星期见过的医生。· I wore the dress (that) I bought in Paris.我穿上在巴黎购买的连衣裙。 4 /ðət ;strong form ðæt ||; ðət; ðæt/ used after certain verbs, nouns and adjectives to introduce a new part of the sentence （用于某些动词、名词和形容词后，以引出句子的另一部份）: She told me that she was leaving. 她告诉我她要走了。I hope that you feel better soon. 我希望你很快就好转。I'm certain that he will come. 我肯定他会来。It's funny that you should say that. 你居然会那么说，真好笑。
That is often left out in this type of sentence I thought you would like it. 在这类型句子中，that通常被省略：I thought you would like it.我还以为你会喜欢。 5 (used with adjectives, adverbs) as much as that （与形容词、副词连用）那么: 30 miles? I can't walk that far. 30英里？我走不了那么远。
that is (to say) used when you are giving more information about sb/sth （作补充时用）也就是说:
I'm on holiday next week. That's to say, from Tuesday. 我下星期放假，也就是说，从星期二开始。 that's that there is nothing more to say or do （没什么要多说或多做）就这样:
I'm not going and that's that. 我不去，就这样。