Deadly::adj.①致命的，致死的 a deadly weapon/disease/game deadly poison ②十分的，极度的，彻底的 We sat in deadly silence. They are deadly enemies. ③非常有效的，无法防御的 His aim is deadly.(=so accurate that he can kill easily】Deadly: adj. ①致命的，致死的 a deadly weapon/disease/game deadly poison ②十分的，极度的，彻底的 We sat in deadly silence. They are deadly enemies. ③非常有效的，无法防御的 His aim is deadly.(=so accurate that he can kill easily)