His spirit of assiduous study is worthy of emulation.
他刻苦钻研的精神，值得效法。
I know the degree of master meant many years of assiduous study and hard work.
我知道这个硕士学位代表着你多年来的勤奋学习和辛苦工作。
His brother is assiduous in the study of relativity.
他哥哥正刻苦学习相对论。
His brother is assiduous in the study of relativity.
他哥哥正刻苦学习相对论。
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