assiduous

形容词 assiduous:

1. marked by care and persistent effort
   同义词：sedulous

1. An assiduous worker who strove for perfection.
   一个勤奋的工人力求做到完美
2. An assiduous and devoted admirer, student, and recorder of another's words and deeds.
   极度崇拜者崇拜另一人言行的殷勤和忠实的、学生和记录者
3. The solider was assiduous in his duty.
   士兵认真执行任务。
4. The book was the result of ten years of assiduous research.
   那本书是十年苦心钻研的成果。

as.sid.u.ous

adj.（形容词）
Constant in application or attention; diligent:
勤奋的：坚持不懈的勤奋或专心；用功：
例句：
an assiduous worker who strove for perfection.See Synonyms at busy
一个勤奋的工人力求做到完美参见 busy

Unceasing; persistent:
不停的；不懈的：
例句：
assiduous research.
坚持不懈的研究

来源：
From Latin assiduus
源自 拉丁语 assiduus
from assidôre [to attend to]
源自 assidôre [专心于]
ad- [ad-]
ad- [前缀，表.朝，向.]
sedôre [to sit] * see sed-
sedôre [座] *参见 sed-

【引伸】
assid.uously
adv.（副词）
assid.uousness
n.（名词）