look up 和look for有什么区别查电话簿，为什么用look up?

look up 和look for有什么区别查电话簿，为什么用look up? LOOK和LOOK UP有什么区别? look up to和look up into有什么区别 look up和look look up look for look over look at有什么区别look uplook forlook over look at这4个有什么区别啊分别都怎么用 look for和look look up有什么含义? look up,look into ,look for 加代词在什么情况下放在中间?如 look it for 怎么又有look for you 那look you up you 是代词呀 look into ,look for ,look up ,look around的意思和用法主要的用法 look it up 和 look up it有什么区别啊怎么用? it is wise of you和it is wise for you有什么区别吗?还有是look up it还是look it up? look after,look up,look for,look at的区别 look at/look for/look up/look after的区别? look at look for look out look up的意思 loook into和look for和look up和look on的区别 区别look through/look at/look for/look like/look after/look out/look up从词性 和意思方面等考虑 look around是什么意思那么look for和look around有什么区别？Could you ________Mary for me tonight?( )A look for B look at C look after D look around look up 与look through有什么区别