a trick or plan that you use to gain an advantage or to trick an opponent (为取胜或迷惑对手的)计策,计谋 to adopt a clever stratagem 采取巧妙的策略 He deployed various cunning stratagems. 他采用了各种狡猾的策略。
Word Originlate 15th cent. (originally denoting a military ploy): from French stratagème, via Latin from Greek stratēgēma, from stratēgein ‘be a general’, from stratēgos, from stratos ‘army’ + agein ‘to lead’.