孜孜不倦

He applied himself diligently to learning French.

他孜孜不倦地学法语。

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 has crusaded tirelessly for women’s and gay rights.

他孜孜不倦地为争取妇女和同性恋者权而奋斗。

The avowable price, perfect after services are the common target of all the members of RuiFeng electronic Ltd., which makes the products of RuiFeng electronic Ltd high quality symbol.

卓越技、优惠价格、良好服务是瑞丰员工孜孜不倦努力追求，这使得瑞丰产品成了高品质象征。