1、above all/after all/at all/in all/all but①above all 首先，特别是，最重要的是Children need many things ,but above all they need love.②after all 到底，毕竟The day turned out fine after all.③at all (用来加强语气)与not连用，表示“一点也不，完全不”。He wasn"t at all tired.Do you feel ill at all(真的，确实)？④ in all 总共There were twenty in all at the party.⑤ all but 几乎，差点没（=almost,nearly）We have all but finished the work.2、accident/event/ incidentevent一般指重大事件。The broadcaster is broadcasting the news on current events.广播员正在播报时事新闻。accident多指意外或偶然发生的事故，特别是不幸的、有损害性的事故。He was badly injured in the traffic accident.在那起交通事故中，他严重受伤。incident相对于accident来说，显得不很重要，指“小事件”，它还可以用来表示“事变”，如叛乱、爆炸等。如： There was an incident on the bus: a man fought with the conductor.那辆公共汽车上发生了一件事，有个人和售票员打了起来。Have you heard of Xi"an Incident?你听说过“西安事变”吗？3、admit vt.①接纳，许可……进入（allow sb./sth.to enter）He was admitted to the school this year.Only two hundred boys and girls are admitted to our school every year.②承认，后可接名词，doing、从句或复合结构。I admit my fault. She admitted having read the letter. He admitted that his comprehension was weak.You must admit the task to be difficult.
