pat sb on the head怎么理解?

pat sb on the head怎么理解? pat on the back hit sb in the head还是 hit sb on the head? 有什么区别? give sb.a heavy blow on the head hit one's head和hit sb on the head 有什么区别 Hit the nail on the head是怎么翻译 头上长着眼睛怎么翻译?用in the head还是on the head pat him off the shoulder与pat him on the shoulder的区别 pat him on the shoulder可以改成pat his shoulder吗?为什么? pat the fat cat sat on the map. the police officers deserve a big pat on the back touch sb on the pat on什么意思 英语翻译有首歌叫做（Lahavine ）Give Yourself a Pat on the Back ,还有这句话中也有：If you give yourself a pat on the back,you feel pleased about something you have done.这其中的“give yourself a pat on the back”是怎么翻 bite sb in/on the+身体部位.怎么翻译? Pat listens to the radio.listens画线,怎么提问 The stone hit the old man on the head这里的on the head为什么不能是on his head the cost of pat