look at see watch 的用法

watch 是属於"欣赏"的看,如赏鸟,看电视，watch表示“观看”，常用于看电视或看比赛等词组中 ,
I like to go to the park to watch birds. 我喜欢去公园观赏鸟。
He watches TV in his free time.他没事的时候看电视。
watch TV 看电视 watch a ball game 看球赛

see即一般没有特别注明的看,也可以指"明白"的意思，see表示看的结果，即“看到；看见”。.
I can see you hiding behide the monitor.我看见你藏在监视器后面。
I can see that we have no future.我明白我们没有未来。
Did you see him yesterday?昨天你看见他了吗？
Can you see the words on the blackboard? 你能看见黑板上的字吗？

look at 则指"专注"对某一件事物，look at表示要看具体的内容，如人或物。:
Look at the picture. 看图片。
Look! He is hiding again.What a .....! 看！他又藏起来了。真是个...~
Don"t look at me. Look at the blackboard, please.不要看我，请看黑板。

希望有帮助~O(∩_∩)O~