assiduous /əˈsɪʤəwəs/ adjective Learner's definition of ASSIDUOUS
[more assiduous; most assiduous] formal
: showing great care, attention, and effort刻苦的；勤奋的 -
They were assiduous in their search for all the latest facts and figures.他们用心搜集了最新的事实和数据。
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The project required some assiduous planning.这个项目要求必须认真规划。
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assiduous [=diligent] students勤奋的学生
— assiduity
/ˌæsəˈduːwəti/ Brit /ˌæsəˈdjuːwəti/ noun [noncount]
— assiduousness
noun [noncount]