He is known for his rash actions.

I learned about anhydrides in chemistry class.

He was born with adactylism.

In Buddhism, the beginning of this world is considered to be eternal without beginning, called 'Mushi'.

I was really surprised by his inconsiderate behavior.

He made an inconsiderate remark and hurt everyone.

I can't stand his ill-mannered attitude.

I can't stand his ill-mannered attitude.

He became penniless due to gambling.

Astronauts experience weightlessness.