go

go through是指从事物内部穿过，比如穿过森林。例句：The theatre was evacuated when rain poured through the roof at the Liverpool Playhouse.雨从利物浦剧院的屋顶倾泻而入，剧院的观众被疏散了。go across是指从事务表面穿过，比如穿过大街。Anyone from the houses across the road could see him。马路对面房子里的任何一个人都能看见他。

go through，through作介词时意为：从…一端至另一端;穿过;贯穿;透过…看到;隔着…听到;自始至终;从头到尾。through作副词时意为：从一端到另一端;通过;自始至终;从头至尾;通过障碍、阶段或测试。through作形容词时意为：交通旅行直达的，直通的，联运的，全程的;火车直达的;道路直通的。例句：We made our way through the crowd to the river.我们挤过人群，来到河边。

go across，across作介词时意为：从…一边到另一边;横过;在…对面;在…对过;在身体某部位上。across作副词时意为：从一边到另一边;横过;宽;从…的一边向…;在对面;在对过。例句：Go straight and then go across the bridge .直直走然后走过一座桥。