The differences between "see", "look" and "watch"
See means to notice or become aware of (someone or something) by using your eyes.
The moment we saw the house, we knew we wanted to buy it.
He crouched down so he couldn’t be seen.
Can I see your ticket, please?
I see what you mean.
The verb to look means to deliberately apply the ability to see. In other words, it means to make a conscious effort to see something. To look is usually followed by at or for.
If you look carefully you can see that the painting represents a human figure.
‘It’s time we left,’ Ian said, looking at his watch.
The men all turned to look at her as she entered the room.
Watch means to look at (someone or something) for an amount of time and pay attention to what is happening.
We sat and watched the sunset.
Watch carefully. You may learn something.
Watch your head on the shelf.
She watches the kids for us occasionally.
check the phone ：
look through the phone：
look through 意为查看，翻阅，就是翻看手机。
Don't check / look through your phone at the dinner table.