I don't know a thing about him.

He is waiting eagerly for the release of the new game.

In this situation, the proverb 'it is best to submit to circumstances' applies.

He drinks wine every day for his health, truly embodying the proverb 'good wine makes good blood'.

He always tries to make judgments based on the long run.

This old radio uses a pentode.

This diode only allows current to flow in one direction.

He is a master of Bajiquan.

The circumpolar star is always visible in the north.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.