demolish,destory,raze,,annihilate有何区别

demolish v. to pull or knock down a building拆毁，拆除;to show that an idea or theory is completely wrong推翻，驳倒（理论，观点）eg:The factory was demolished in 1980. to demolish a theory with a few incisive comments.
raze v. to completely destory a building, town, etc,so that nothing is left彻底摧毁，将……夷为平地eg:the village was razed to the ground.
destory v. to damage sth so badly that it no longer exists, works, etc摧毁，毁灭eg:the cyclone that destoryed dozens of houses in the town.
annihilate v. to destory sb/sth completely歼灭，消灭; to defeat sb/sth completely彻底打败eg: an army annihilated another army force; she annihilated her opponent, who failed to win a single game.