● 約定

我保證。
I promise.
You can't tell anyone. (你不能告訴任何人。)
I promise I won't. (知道,我保證。)

我不能保證。
I can't promise. *“不能保證,但可以試試”。表達(dá)想幫助對(duì)方的心情。
You have to come. (你也來(lái)吧!)
I'll try but I can't promise. (我爭(zhēng)取去,但不能保證。)

一定。
Will do.
Remember to bring the report. (記住帶上你的報(bào)告。)
Will do. (一定帶來(lái)。)

我發(fā)誓。
I swear. *語(yǔ)氣強(qiáng)烈。
Are you sure? (是真的嗎?)
I swear. (我發(fā)誓。)

請(qǐng)相信我。
Trust me.
I'm not sure. (我沒(méi)有把握。)
Trust me. (請(qǐng)相信我。)
Believe me.
I know what I'm doing.
You can trust me.
Trust in me.

說(shuō)到就得做到。
A promise is a promise!
I'm sorry I can't help you. (對(duì)不起,我?guī)筒涣四?。?br> You said you would. A promise is a promise! (你說(shuō)過(guò)你可以,說(shuō)到就得做到。)
You promised! (你不是答應(yīng)我了嗎!)
You can't go back on your promise now! (你現(xiàn)在不能食言。)