turn one's back to
背对；背弃
turn one's back to sb.
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
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
turn over
移交 交给翻页；推翻
turn 代词 over 例：turn it over
turn over the book 把书翻过来
turn to
求助于；变成
turn to sb/sth
turn up
来到；出现；开大声音
sth. turn over the book 把书翻过来
