业学业；精精通；于在于；勤勤奋。学业精深是由勤奋得来的。
出处：唐·韩愈《进学解》业精于勤，荒于嬉；行成于思，毁于随。”
例句：无
业精于勤 yè jīng yú qín
| 拼音 | yè jīng yú qín | 粤拼 | jip6 zeng1 jyu1 kan4 |
|---|---|---|---|
| 英文 | mastery of study lies in diligence (idiom). You can only master a subject by assiduous study.; Excellence in work is only possible with diligence.; Practice makes perfect. |