一定

Is it certain that they will win?

他们一定赢吗?

I’ll help you insofar as I can.

我一定尽力帮助。

Please feel assured that we will abide by our promise.

请放心我们一定遵守诺言。

You must be careful crossing the road.

过马路一定要当心。

The prisoner is sure to be condemned.

这个犯人一定被判刑。

You should necessarily go to the party.

一定要参加这。

Under such a regimen you'll certainly live long.

这样养生一定可以长寿。

See that the windows and doors are fastened.

留心一定要把门关牢。

Do abolish this kind of bad evil.

一定要废除这种恶劣习俗。

He contended that there must be life on Mars.

他声称火一定有生物。

I conceived that there must be some difficulties.

我料想到一定有些困难。

He must be getting near retiring age.

他一定快到退休年龄了。

Make sure you don’t jumble everything up.

一定不要把东西全都弄乱了。

More work doesn't necessarily call for more men.

增加工作不一定要增加人员。

Try to be objective as you listen to the testimony.

在听证词时一定要客观。

Look ye obey the masters of the craft.

一定要听工匠师傅的话。

Parcels must be properly bound up for posting to other countries.

寄往国外的包裹一定要包好。

Those jewels must have cost a small fortune.

那些珠宝一定花了不少钱。

He is bound to succeed in his enterprise.

他在事业一定成功。

I shall not have one atom of strength left.

我一定竭尽全力。