刻苦的

The girl's earnest effort counterbalanced her slowness at learning.

这女孩刻苦努力弥补了她在学习。

He's the sort of person who thrives on hard work.

他是那种刻苦工作为乐人。

In full agreement with his abbot, Columban zealously practiced the severe discipline of the monastery, leading a life of prayer, ascesis and study.

在他院长首肯下，高隆邦大热情实践修道院刻苦规章---祈祷生活，苦行和学习。