Personal commitment
承诺───promise;个人───personal
I'll call you back, I promise.───我会给你回电话的，我保证。
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。
She kept her promise.───她遵守了诺言.
The White House has noted his promise to support any attack that was designed to enforce the UN resolutions.───白宫已经注意到他承诺支持所有旨在贯彻联合国决议的打击。
Their future was full of promise.───他们的前途希望无穷。
Look, if I tell you something, will you promise to keep it under your hat?───喂，如果我告诉你一件事，你能答应保守秘密吗？
He extorted a promise from me.───他硬要我答应.
If you do such sloppy work again, I promise I'll fail you.───要是下次作业你再马马虎虎, 我话说在头里,可要给你打不及格了.
Be slow to promise and quick to perform.
I promise I will do my duty .
Better deny at once than promise long.
Promise is debt.
I'll make it up to you, I promise.