Her eyes looked like cat's eyes, which was part of her charm.

She decided to hide her secrets from prying eyes.

He was staring at me with a deadpan expression.

His eyeballs widened in surprise.

Malvales plays an important role in plant taxonomy.

He solved the problem in a scientific way.

This reaction occurs through a chemical process.

He is good at tactical thinking.

He exercises every day and leads a healthy life.

Fundamental knowledge of mathematics is necessary to solve advanced problems.