He tried to help but his legs were rubber.
He was either so ill or nervous that he didn't think he could stand up.
Max is a pig when he eats.
Max is a very messy eater.
The car was a furnace in the sun.
The car was very hot because the sun was beating down on it.
His room was a disaster area.
His room was very messy.
Your brain is a computer.
The ballerina was a swan, gliding across the stage.
The ballerina was very graceful.
The beach is heaven.
The beach is a great place, calm and relaxing.
His stomach is a black hole.
He can eat a lot.
He was a lion on the battle field.
He was very brave in battle.
She is a rollercoaster of emotions.
Her feelings are not stable. She's happy, sad, angry without feeling like she can control them.