外人

❶stranger;outsider
❷foreigner;alien
别客气，我又不是～。Don’t stand on ceremony,I’m no stranger./你对我们来说，不是～。You are no stranger to us./你说吧，这里没～。Speak up.You are among friends./这是我们的内部事务，不需～过问。This is our domestic affair and none of the business of outsiders./不足为～道not to be mentioned to outsiders