It wasn't a gunshot – I'm certain of that.那不是枪声, 这点我敢肯定。

She's absolutely certain that she's going to win.她坚信自己会取得胜利。

He felt certain she would disapprove.他敢肯定她会反对。

We are not certain whether the appendix had already burst or not.我们不能确定阑尾是否已经破裂。

No one was certain who invited Gary.没有人确定是谁邀请了加里。

It is certain that Rodney arrived the previous day.罗德尼是前一天到的, 这一点是肯定的。

Victory looked certain.胜利在望。

He was certain to fail.他注定会失败。

Brazil need to win to be certain of a place in the finals.巴西需要赢得一场胜利来确保晋级决赛。

The date is already certain for the invasion.入侵的日期已经确定了。

His judgement is certain.他的判断是可靠的。

He will win for certain.毫无疑问他会赢。

I don't think we'll ever know for certain.我认为我们永远也不会知道到底是怎么回事。

Firstly, they must make certain that no funds have gone missing.首先, 他们必须确保资金没有丢失。

To make extra certain, a police helicopter kept watch overhead.为确保万无一失, 一架警用直升机一直在空中警戒。

Leaflets have been air dropped telling people to leave certain areas.已经空投了传单, 告诉人们离开某些区域。

You owe a certain person a sum of money.你欠某人一笔钱。

There will be certain people who'll say 'I told you so!'有人会说“我早就告诉过你了！”。

She arranged for them to be hidden in the house of a certain Father Boduen.她安排他们藏身于一个名叫鲍敦的神父的房子里。

I felt a certain bitterness.我感到一丝苦涩。

Of course there is a certain amount of risk involved.当然有一定的风险。

Certain of the members have not paid their subscriptions.某些会员还没有缴纳会费。

They'll have to give up completely on certain of their ideas.他们将不得不完全放弃他们的某些想法。