[ máitóukǔgàn ] 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 短语和例子 你那埋头苦干的精神令人尊敬。 your quiet hard work will command respect. 他勤勤恳恳, 埋头苦干。 he industriously engages in unostentatious hard work