指出: to indicate, to point out...
冲突: conflict, to conflict, clash of opposing forces, collision (of interests), contention...
交锋: to cross swords, to have a confrontation (with sb)...
经典: the classics, scriptures, classical, classic (example, case etc), typical...
证件: certificate, papers, credentials, document, ID...
发病: onset, outbreak (of a disease)...
无效: not valid, ineffective, in vain...
挂号: to register (at a hospital etc), to send by registered mail...
汗: perspiration, sweat, to be speechless (out of helplessness, embarrassment etc) (Internet slang used as an interjection)...
忍饥挨饿: starving, famished...