His target-like way of thinking is hard to understand.

He always proactively suggests new ideas.

He is writing a thesis on the theory of general relativity.

He emphasized his belief by saying, 'I believe in order to understand.'

She described the pain of a broken heart as tears.

I don't know a thing about him.

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.

In chemistry class, I learned about the reactions of acid anhydrides.

Aldaric acid is a compound produced by the oxidation of sugars.

When my stomach hurts, I always take an antacid.