祖父は若い頃に漢学を学び、漢詩をよく作った。
My grandfather studied the Chinese classics in his youth and often composed poems in classical Chinese.
江戸時代の武士にとって、漢学は必須の教養だった。
For samurai in the Edo period, Chinese classical learning was an essential part of their education.
彼は大学で漢学を専攻し、論語の注釈を研究している。
He majored in Chinese classical studies at university and researches commentaries on the Analects.