thunder / (bound form) (military) mine, as in 地雷[di4 lei2] land mine / (coll.) to shock; to stun; to astound / (Tw) (coll.) spoiler / (Tw) (coll.) to reveal plot details to (sb)
not shaken by thunder (idiom); the arrangements are unalterable / to adhere rigidly to regulations / will go ahead whatever happens (of an arrangement or plan)