as·sid·u·ous /əˈsɪdjuəs $ -dʒuəs/ adjectiveadj formal CAREFULvery careful to make sure that something is done properly or completely 一丝不苟的,小心翼翼的 SYN meticulousassiduous in He was assiduous in his attendance at church. 他坚持不懈地去教堂做礼拜。
—assiduously adverbadv Even young children worked assiduously for a reward. 即便幼童也在为了获得奖励而认真努力。
—assiduity /ˌæsəˈdjuːəti $ -ˈduː-/ noun [uncountableU]