diligent

adj. /ˈdɪlɪdʒənt/ B1

勤奋的；勤勉的

Showing care and effort in your work or duties.

仙境例句

The diligent little mouse at the post office sorted every letter before breakfast.

邮局里那只勤勤恳恳的小老鼠，早饭前就把每封信都分好了。