She's absolutely certain she's going to make it in the world.

她坚信自己会出人头地。

We are not certain whether the appendix had already burst or not.

我们不敢肯定阑尾是否已经破裂。

It wasn't a balloon — I'm certain of that. [+ of]

那不是气球，这点我敢肯定。

However, the scheme is certain to meet opposition from fishermen's leaders.

然而，这项计划一定会遭到渔民领袖的反对。

It's not certain they'll accept the Front's candidate if he wins.

即便来自阵线的候选人获胜，他们能否接受他还说不准。

Brazil need to beat Uruguay to be certain of a place in the finals. [+ of]

巴西必须击败乌拉圭才能确保进入决赛。

The Prime Minister is heading for certain defeat if he forces a vote.

总理要是强迫进行投票的话，那么他必败无疑。

Victory looked certain.

胜利在望。

One thing is certain, both have the utmost respect for each other.

有一点可以肯定，那就是双方都非常尊重对方。

It is certain that Rodney arrived the previous day.

罗德尼肯定是头天到的。

He had been there four times to my certain knowledge.

我确定他去过那儿4次。

She couldn't know what time he'd go, or even for certain that he'd go at all.

她不知道他何时走，就连他到底走不走都说不准。

Hill had to find out for certain.

希尔得弄个清楚。

Firstly, they must make certain that their pension needs are adequately catered for.

首先，他们得确保他们能获得足够的养老金。

To make extra certain, a police helicopter kept watch from the skies.

为确保万无一失，一架警用直升机一直在空中警戒。