Although he is in poor health, he still perseveres in his studies.
尽管他身体不好, 他仍孜孜不倦地学习。
Although he is in poor health, he still perseveres in his studies.
尽管他身体不好, 他仍孜孜不倦地学习。
He applied himself diligently to learning French.
他孜孜不倦地学法语。
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