不择手段的英语:use unscrupulous divisive tactics; be unscrupulous in one's efforts (to); by fair means or foul; by hook or by crook; go to every expedient; have no scruples about; resort to every expedie...
不择手段的法语:user de tous expédients;n'avoir aucun scrupule à faire qch;faire flèche de tout bois