i pat his shoulder对么?

i pat his shoulder对么? pat him on the shoulder可以改成pat his shoulder吗?为什么? pat him off the shoulder与pat him on the shoulder的区别 look over his shoulder是什么意思? pat Shoulder I take the umbrella? i need a shoulder to cry on. I can carry my bag ___my shoulder. i wasn't looking over my shoulder I loolk over my shoulder怎么理解? 英语翻译Miss Li:Pat,you're 142 cm tall and 32 kg.Pat:this year,i look~at you over his shoulder什么意思?