look和look at的区别：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是不及物的，后不可加宾语，look at是及物的，后可加宾语。
look和look at的区别
1、强调的事物不同
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
2、词性不同
look为单词，而look at 为短语
look是不及物的，后不可加宾语，look at是及物的，后可加宾语
3、释义不同
look，看起来eg:You look more beautiful today.
一般用在口语中意：听着
做名词 eg: good looks。 Look 是一个动词，相当于汉语中的 看啊
look at（仔细地）看；着眼，考虑。
look造句
1、Look at the time! We'll be late.
看几点了！我们要迟到了。
2、We need to look to ways of improving our marketing.
我们得考虑改进营销方法。
3、Make sure you get a good look at their faces.
你一定要仔细看清他们的面孔。
look at造句
1、If you've done with that magazine, can I have a look at it?
如果你已看完那本杂志，给我看看行吗？
2、Look at the time ─ it's much later than I thought.
看看时间吧，比我想象的要晚多了。
3、Make sure you get a good look at their faces.
你一定要仔细看清他们的面孔。