为了达成她的政治野心，她会不择手段。

She will ___stop ___at ___nothing to achieve her political ambitions.

为了赢得比赛，他们不择手段，甚至不惜作弊。

They ___stopped ___at ___nothing to win the competition, even cheating.

在这个竞争激烈的市场中，为了确保公司的成功，我已是不择手段。

In this competitive market, I have ___stopped ___at ___nothing to ensure our company's success.