Let's just forget it. 我们不要纠结了。
Forget it. You don't understand. 算了吧,你不明白。
Oh, forget it It's not that important. 哦,算了,不是什么重要的事情。
Forget it. I'm not going to tell you now. 算了吧,我现在不会告诉你的。
I didn't buy any candy for you. 我可没给你买什么糖果。
Forget about it. I'll buy some later. 算了吧,我回头自己买。