[mái tóu kǔ gàn]
work with quiet hard application; bury oneself in work; engage in unostentatious hard work; immerse oneself in hard work; keep one's nose to the grindstone; plug away; quietly immerse oneself in hard work; quietly put one's shoulder to the wheel; work intensely
Your quiet hard work will command respect.
你那埋头苦干的精神令人尊敬。
He industriously engages in unostentatious hard work.
他勤勤恳恳，埋头苦干。