He cited the delay of the train as an excuse for being late.

He is interested in higher-dimensional mathematics.

He always prepares his favorite bait before going fishing.

The government should take concrete measures against environmental issues.

My name is Kankaiji.

His favorite color is black.

He is a kind person.

Mr. Koori is my best friend.

In this old book, the character '兒' is used.

She called me 'Tom'.