expression
to do whatever it takes; to use any means necessary; to stop at nothing
Set phrase describing a willingness to achieve a goal by any method, even if ruthless or unethical. Often used critically.
彼は金のためなら手段を選ばない。
He will do whatever it takes for money.
あの会社は競争に勝つために手段を選ばないことで知られている。
That company is known for stopping at nothing to win the competition.