Level 5 · word 11,971 of 20,000

assiduous

/əˈsɪdʒuəs/ American
  • adj. 勤勉的, 刻苦的
Definition
  • adj. working hard and carefully at something
Example
She was assiduous in her studies, never missing a single class.
她学习十分勤勉,从不缺一节课。