Perfume,' says one expert, 'is a promise in a bottle.'

一位专家说：“香水是一瓶中的承诺。”

He made a promise but later broke his promise.

他答应了，但后来食言了。

He made me a promise.

他向我做出了一个诺言。

Can you give me a promise?

你能不能给我一个诺言？

They made a promise of eternal friendship.

他们许下了永恒的友谊的承诺。

You should never renege on a promise to a friend.

你绝不应该违背对朋友的承诺。

She made a promise to help him with his homework.

她做出了承诺要帮助他完成作业。

Remember, when you promise something, it should be a promise that will be kept.

你要记住，答应别人的事要一诺千金。

He made a promise and sealed it with a pinky swear.

他做了一个承诺，并用小指发誓来保证。

Once he makes a promise, he will not go back on his word.

他一旦做出承诺，就不会反悔。