fight tooth and nail
不遺余力地戰(zhàn)斗或努力爭取某事
口語·表示全力以赴
英文釋義
to fight or argue fiercely and with great determination
例句
They fought tooth and nail to save the company.
典故來源
源自動(dòng)物用牙齒和爪子搏斗,比喻竭盡全力。