turn over,turn up,turn around各什麽意思？

turn over 翻過來，翻倒；仔細考慮；交，移交（權力等）例：The car was turned over and the driver seriously injured.

汽車翻倒了,司機受了重傷。 turn up 開大，調大；出現，來到例：Something unexpected has turned up.

發生了沒有意料到的事情。 turn around轉變，(使)轉好

Hey, turn around!

海!轉過來！