He made an opportunistic grab for power, which resulted in a civil war.他抓住一个机会夺了权,导致了内战爆发。At half-time, United were leading with two opportunistic goals by Black.上半场结束时,联队因布莱克打进两个机会球而领先。He was an oily, opportunistic skunk.他是个油头滑脑、令人生厌的人。Many of the party's members joined only for opportunistic reasons.该党很多党员只是抱着投机取巧的心理才入党的。