通常来说,look是一个不及物动词,后面不能直接添加宾语,所以仅仅表示“看”.如果想要表达“看某物”“,那么就应该在look后添加介词at,look at是及物动词短语,后面必须有宾语. eg.Don't look around when having a talk with others. Look at the picture. look做及物动词时很少,基本没怎么见过.在词典中,look是vt.& vi.看,瞧,就是及物不及物都有,常用不及物.