Her mouth didn't really look all that wide, when she wasn't smiling.

"When the young lady's mouth looks like a letter box, it's best to do what she says."

The mouth of the tunnel looked very round and black as they came near.

But as a visitor he kept his mouth shut and looked.

But I could tell because her mouth looked all slippery.

Yes, her mouth really did look in need of kissing.

Your mouth looks as if you'd been making a meal of blood my dear.

And her mouth always looked as though she was complaining about something.

His mouth looked slack, and he was staring at the floor.

Her eyes, mouth, and chin looked like a pretty child's.