I'm sorry; I've forgotten your name.
对不起，我忘了你的名字。
I almost forget to pay the phone bill.
我几乎忘记电话费用。
We must not forget about the grass roots.
我们绝不能忘记民众。
That was a moment that I shall never forget.
那个时刻我永远不会忘记。
Forget yourself and think of someone else for a change.
别光想著你自己，你也为别人想一次。
I'm afraid I forgot myself and kissed him wildly.
当时我有些忘乎所以，疯狂地吻著他。
Don't forget your friends when you become rich.
致富后不要忘了老朋友。