我保证

Let me assure you that it was not intentional.

我向你证那不是故意的。

I warrant you he is telling the truth.

我向你证他说的是真话。

Can I have your assurance that this will go no further?

你能向我证不告诉别人吗？

He gave me a definite assurance that the repairs would be finished tomorrow.

他给我确切证, 修理将完工。

I can vouch for the fact that he is a good worker.

我证他是好员工。

I promise all costs will be readily returned.

我证所有的费用会迅速偿还。

I can undertake that you will enjoy the play.

我证你会喜欢个剧。

I give an undertaking that we shall proceed with the legislation.

我证我们将继续该项立法工作。

I wager that it shall be so.

我证(它)会样。

I will warrant him an honest and reliable fellow.

我可以证他是一个诚实可靠的人。

I assure you (that)there's no danger.

我向你证没有危险。

I'm sure I can easily get the book from the bookstand in the corner of the main street.

我证我能很容易地从主街角上的书亭里买书。

I pledge you my words.

我向你证说话算数。

I promise on my honour.

我以我的名誉证。

I guarantee you'll enjoy yourself.

我证你会过得很快活。

I'd sworn off alcohol.

我已证戒酒。

I'll undertake for your security.

我将证你的安全。

Jane promised to support me at the meeting, but then she stabbed me in the back by supporting David instead.

简向我证在会上支持我，可是时候她又转而支持戴维，在我背后捅了一刀。

Spearfish Canyon Rd took us to I90, which we took into Wyoming and on to Sundance (not the Robert Redford film festival burg, I assure you).

斯皮尔菲什峡谷路把我们带I90，我们考虑怀俄州，并就森丹斯（而不是罗伯特雷德福电影节伯格，我向你证）。

One day,he took me aside and promised me a sliver fourpenny on the first of every month if I would keep my eye open for a sailor with one leg and let him know the moment he appeared.

有一天他把我拉一边，向我证每月初给我四便士，如果我能留心注意一个只有一条腿的水手，并且在他（水手）出现的那一刻告诉他。