He is muttering to himself.

The motto of this team is 'one for all, all for one'.

He is interested in the study of constructed languages.

Be careful of the riptide and swim safely.

Virga is floating in the sky, creating an atmosphere that seems like it's going to rain.

He exercises his vastus lateralis muscle at the gym every day.

He is doing special exercises to strengthen his vastus medialis muscle.

He is doing a special exercise to strengthen his vastus intermedius muscle.

He is doing special exercises to strengthen his platysma.

He can speak many languages.