talk over 用法把talk over 的对象放在中间还是放在后面?pick upput onlook up呢假如不是代词如it，是个具体对象呢，放哪里？还有上面3个呢

talk over : over is adverb, so we can say : talk it over, cannot say 'talk over it' v. 详尽地商议, 商量, 讨论, 说服 talk about: about is preposition 谈论,议论,讨论talk about 谈论,议论,讨论 talk of 说...