but,however,still,nevertheless,yet这几个词的词义接近,都表示转折和让步。(1)but用来引出微弱的相反的意见,是口语常用语,如:sally was amused,but i was very embarrassed.萨莉很开心,但我却很尴尬。(2)however比but的词义还要弱些,并不直接引出相反的意见,因此常用作插入语,如:the most surprising thing about it,however,is that it can land anywhere.不过,答案〖but〗解析:关于这架飞机最使人吃惊的事情是,它可以在任何地方着陆。(3)still还,还是,如:it is tr