He always behaves in a way that is a nuisance to those around him.

He is always causing a nuisance to those around him.

He always keeps a smile on his face.

I couldn't understand his actions.

He started to act immediately.

His behavior is a big trouble for me.

Your loud voice is really annoying.

I was greatly troubled by his actions.

This dress is made of the highest quality cloth.

He is proud of his country's flag.