look强调看的动作
look at强调看的目标 look at 更具体 look一般不单独使用的 look 视眼广阔,look at 有些提示你注意看某个东西的意思 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
1.看起来.. eg:You look more beautiful today.
2.一般用在口语中意：听着
3.做名词 eg: good looks Look 是一个动词,相当于汉语中的 看啊!Look,look 可作名词或动词,名词意为看,名词意为表情或长相.在句子中作谓语动词.
look at 是个动词词组,一般放在句中,at 后要跟名词或动名词.祈使句中用原形.
不可以做谓语.