You could tell by looking at the guys right before a game.

You could tell by looking at her in the morning light.

There was no way to tell more just by looking.

You can tell a man's place in life just by looking at him.

He would be able to tell by looking in their eyes.

You can also tell a lot just by looking at it.

You cannot tell the difference between them just by looking.

She could tell that much just by looking at him.

You couldn't always tell about people by looking at them.

She'd had a hard life, you could tell that just by looking at her.