positive: turn one's back to背对;背弃turn one's back to sb.<br>turn down拒绝 ;把(声音)放低;调小turn down sth.如turn down the radio 调小点turn sb. down 拒绝<br>turn out关掉(火或热源);结果是;证明是,最后情况是;生产;(人群)出来(参加活动)turn out + (to be)+ adj/n<br>turn over移交 交给翻页;推翻turn 代词 over 例:turn it overturn over the book 把书翻过来<br>turn to求助于;变成turn to sb/sth<br>turn up来到;出现;开大声音sth. turn over the book 把书翻过来
negative: Chinese people turn up their thumbs to express their appreciation.<br>中国人竖起大拇指表示赞赏。And we can no longer be satisfied when a native eaker puts his thumb up and says your English is good.<br>操英文母语的人再给我们竖起大拇指说我们英文不错时,我们已经不能满足了。