be sure about：確信

too---to ---太---而不能 | be sure about 確信 | be sure of sth / doing sth 主語相信能做

be sure about sth：對(duì)某事確信

27.be sure to do sth 肯定要做的某事(表示將來) | be sure about sth 對(duì)某事確信 | 28.turn down / turn up the music 關(guān)小/調(diào)大音樂

be sure about/of sth：確信某事. 例

-Yes.I'm sure.是的,我確信. | be sure about/of sth. 確信某事. 例: | He's sure of that.他能肯定那件事.

be sure of sth./sb：確信某事/某人

177一级A片破外女、be sure to do sth.確信干某事 | be sure of sth./sb.確信某事/某人 | 178欧美国产免费一级精品、play a joke on sb. 開某人的玩笑

be sure of sth.: certain to receive, win, etc. sth：確信會(huì)獲得,贏得

A crowd was driven off. 一群人被趕跑了. | 4. be sure of sth.: certain to receive, win, etc. sth. 確信會(huì)獲得,贏得 | You may always be sure of a welcome at my house. 歡迎你隨時(shí)來我家.

be sure of sth：對(duì)某事有把握

41.隨身帶某物 take sth. with sb. | 43.對(duì)某事有把握 be sure of sth. | 務(wù)必做到某事 be sure to do sth.

be sure of sth / doing sth：主語相信能做

too---to ---太---而不能 | be sure of sth / doing sth 主語相信能做 | be sure to do 相信主語能做---

be sure of：對(duì)......很確信

19.develop plants 開發(fā)出植物 | 20.be sure of 對(duì)......很確信 | 21.be sure to do sth. 對(duì)做某事有把握

be sure of doing：有把握做

17.be sure to do 一定會(huì)... | be sure of doing有把握做....... | 18.more than多于

be sure to do sth：表示"一定會(huì)...,必定會(huì)

③I'm sure he'll come.我肯定他會(huì)來. | (2)be sure to do sth.表示"一定會(huì)...,必定會(huì)...". e.g. | It's a really good film-you're sure to like it.它確實(shí)是一部好電影,你一定會(huì)喜歡