The night is quiet and beautiful.

In this situation, I think it's best to follow the proverb 'discretion is the better part of valor'.

He is a superior engineer who can run the project barefoot.

I stayed up late every night and ended up ruining my health.

It is said that terrifying creatures live in that dark forest.

His heart seemed as dark as pitch.

He borrowed a large amount of money from a loan shark and is struggling to repay it.

I'm planning to have a potluck party with my friends tonight.

He continued his work overnight.

He is always working at night.