外人
?stranger;outsider
?foreigner;alien
別客氣，我又不是～。Don’t stand on ceremony,I’m no stranger./你對(duì)我們來(lái)說(shuō)，不是～。You are no stranger to us./你說(shuō)吧，這里沒(méi)～。Speak up.You are among friends./這是我們的內(nèi)部事務(wù)，不需～過(guò)問(wèn)。This is our domestic affair and none of the business of outsiders./不足為～道not to be mentioned to outsiders