确保,确信怎么用英语说??

确保，确信．通常为：make sure 或是sb be sure+从句，在一般情况下，make sure放在句首，引导一个祈使句．＾－＾！

be sure to do/that

be sure of

Are you sure?

确保：ensure; guarantee

确信：firmly believe; be convinced; be sure

确保:
ensure;guarantee;<render certain> <avouch> <insure> <see to (it that)> <see that...> <make sure (that)> <snake stare> <assure oneself> <satisfy>
例句与用法:
1. 你要想确保能赶上那班飞机，就坐出租车去吧。
If you want to ensure that you catch the plane, take a taxi.

2. 我们必须确保饮用水的纯净。
We must ensure the purity of drinking water.

3. 我们应该确保燃料供给不中断.
We must ensure continuity of fuel supplies.

4. 为确保乘客安全而不遗余力.
Great pains have been taken to ensure the safety of passengers.

5. 在连续的场景中使用同样的道具以确保前后衔接.
Continuity is ensured by using the same props in successive scenes.

确信: confident;<be certain of> <feel in one's bones