HSK 7–9 · Practice
埋头苦干
to work hard with one's head down; to toil away
他埋头苦干了一整天，终于做完了。
Tā máitóu-kǔgànle yì zhěng tiān， zhōngyú zuò wánle。
He toiled away all day and finally finished.
HSK 7–9 · Practice
to work hard with one's head down; to toil away
他埋头苦干了一整天，终于做完了。
Tā máitóu-kǔgànle yì zhěng tiān， zhōngyú zuò wánle。
He toiled away all day and finally finished.