不论成败bù lùn chéng bài

do or die; hit or miss;irrespective of success or failure; regardless of the results (/consequences); sink or swim
❍ 连长喊道：“弟兄们！～也得突围； 否则，我们将坐以待毙。”“Brothers!” the company commander shouted，“Do or die. We’re resolved to break out of the encirclement,or else we would be awaiting our doom!”