“你已经把它卖给我了”是一种非常口语化的说法，意思是“你已经说服我了”。

You've sold it to me 'is a very colloquial way of saying' you've convinced me '.

youdao

我的意思是说他们在口语方面的问题有其一定的原因。

I would like to suggest that there may be some reasons for their problems with spoken English.

youdao

Now lie in it（自作自受）”，意思是说你造成了某种恶劣状况，现在你得承受这一结果，也就是我们在美式口语中所说的，你必须处理这一情况。

Now lie in it, " they mean you created a bad situation and now you will experience the results, or as we say in spoken American English, you must deal with it!"

youdao