不择手段 (bù zé shǒu duàn): By fair means or foul — Meaning & Stroke Order

In order to win the competition, he obtained the opponent's information by any means necessary.

To achieve his goal, he actually used everyone by hook or by crook.

For the sake of success, can we really resort to any means necessary?

In fierce competition, some companies resort to any means to obtain trade secrets.