In order to know his true self, we need to get involved more deeply.

He is a specialist in surgery.

He is feeling the difficulty of swallowing.

He swallowed a large apple with difficulty.

Suan Ni is a creature from Chinese legends.

Male and female whales live in the deep parts of the sea.

Kaya is my best friend.

He finished his work and went home at midnight.

He was working until late at night.

He is clearly a night owl, working late into the night and sleeping late into the morning.