He said 'thank you'.

His expression is very polite.

This world is ruled by the law of the jungle.

She was diagnosed with Alice in Wonderland syndrome.

I finished my homework long ago.

It's such a pity that you lost your father.

He crossed the border and fled to the neighboring country.

I have never eaten dog meat.

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.

He stayed in a village in the mountains.