它的意思是忘了它吧！通常是叫人指忘掉某事什么的！同时在日常生活中人们也常常会讲：oh！Forget about it！就是说，哎！算了吧！
忘了，有时是讲忘记的现在将来是 Don't forget about it!
有时是讲劝人，口语，别在意，忘了吧！ Never mind, forget about it!
忘记它吧.
when you have helped someonne ,he said 'thank you'
you said 'forget about it '
意思是'不用谢!'或者'没事儿,小事一桩.'
算了,小意思而已