Throw in the towel: @LLSEI To quit; to give up. دست کشی | Let's Learn Some English Idioms
Throw in the towel: @LLSEI To quit; to give up. دست کشیدن، ترک کردن، تسلیم شدن. for example: @LLSEI When John could stand no more of Mary's bad temper, he threw in the towel and left.