look different意思是看上去不一样,look 是半系动词 ,形容词different 作表语.eg .The twins look different .different look不同的样子 ,look 是名词,different 形容词修饰名词 .They have different looks ....还有look at、look the same 、look like的意思及用法look at是短语动词， 看 的意思egLook at the blackboard lookthesame 长得一样The twinslook thesame .look like长得想。。。 eg. She looks like her father .