He promised that he would try his best to help me
答应───promise;尽力───try the best
We can never promise to sail anywhere in particular, because the weather might militate against it.───天有不测风云，所以我们永远都无法保证会航行到哪个地方。
He made a promise of help, as I pleaded with him again and again.───我再三央求, 他才答应帮忙.
I would say it'salmost time to hold him to that promise.───我认为已经差不多是时候让他兑现那个承诺了。
Not only did he make a promise, but also he kept it.───他不仅作出了许诺, 而且履行了诺言.
He acquited himself well of his duty [ promise ].───他很好地尽到了责任 [ 履行了自己的诺言 ].
We must stick to our promise whether or no.───不管怎样,我们心须遵守诺言.
There was a ring of sincerity in his promise.───他的许诺中有一种真诚的语气.
I'd like to come with you but that's not a promise, don't rely on it.───我愿意和你一起去,但这不是允诺, 别指望我一定去.
Better deny at once than promise long.
Those who are quick to promise are generally slow to perform.
No promise, only said not over of lies.
To promise and give nothing is comfort to a fool.
Be slow to promise and quick to perform.