HSK 7–9 · adjective · Practice
辛勤
hardworking; industrious; painstaking
农民辛勤地工作，才有了这些粮食。
Nóngmín xīnqín de gōngzuò， cái yǒule zhèxiē liángshi。
Only through the farmers' hard work do we have this grain.
农民在田里辛勤耕耘。
Nóngmín zài tián lǐ xīnqín gēngyún。
The farmers work hard plowing the fields.