He got promoted by using flattery on his boss.

He never stopped smiling in order to flatter his boss.

Her smile is very attractive.

He always keeps a smile on his face.

My boss is very strict.

He always keeps a smile on his face to flatter his boss.

He is flattering his boss to aim for a promotion.

He decided to sell his car.

I decided to sell my old car.

He is putting a lot of effort into selling furniture.