别让我失望英语怎么说？

Don't let me down.

I really need you to do that for me.

别让我失望！我真的需要你帮我做这件事情。

I know you won't let me down again.

我知道你不会再让我失望的。

Don't let me down this time.

这一次可别让我失望。

You've let me down so many times and

I shall not trust you.

你已经让我失望多次，我再也不信任你了。

You let me down doing a thing like this.你做这样的事让我太失望了。