assiduousness

n. 刻苦(有毅力, 小心谨慎)

例句与用法：

For five years he assiduously practised writing poetry, but when he was twenty-seven he turned definitely to fiction.

他用了五年的时间，勤奋地写作诗歌，但在二十七岁时，毅然转向小说。

词形变化：

副词: assiduously | 名词: assiduousness |