I promise you.
我向你保證我會保守秘密。
I promise you I'll keep it secret.
你可相信我。
You can trust me.
我會信守承諾的。
I'll keep my promise.
我說話算數(shù)。
I mean what I say.
他是個說話算數(shù)的人。
He is a man of his words.
我不會讓你失望的。
I won't let you down.
我發(fā)誓。
I swear.
我不能保證。
I can't promise.
我不能向你許諾什么。
I can't promise you anything.
他們包退包換。
They guarantee the exchange or refund of the goods.
我會盡我所能幫助你的。
I'll do all I can to help you.
答應了就要做到。
A promise is a promise.