He was turned away at the gate of that restaurant.

His self-righteousness is making communication within the team difficult.

He should change his self-righteous attitude.

He fractured his antebrachial bone.

He exercises every day to strengthen his tibialis anterior muscle.

He is doing a special exercise to train his occipitofrontalis muscle.

I decided to take the morning off tomorrow.

He is a kind person.

I went to the stationery store to buy new letter paper.

A mass noun refers to a noun that cannot be counted.