ㄐㄧˋㄌㄞˊjìláizhīㄗㄜˊzé’ānzhī

既来之,则安之
  1. 論語記載招撫使安頓既然安心地面此時懊悔無濟於事既來之,則安之決定遠離是非放手不管不妨好好享受悠閒 既來之,則安之」。

Since they have come, we should make them comfortable (idiom)​. Since we're here, take it easy., Since this is so, we should accept it., Now we have come, let's stay and take the rough with the smooth., If you can't do anything to prevent it, you might as well sit back and enjoy it.