go through the mill
經歷艱難困苦的時期或經歷
口語·形容經歷艱辛磨練
英文釋義
to go through a difficult or challenging experience; to face hardships or adversity
例句
After going through the mill in the army, he became much tougher.
典故來源
mill指磨坊，比喻經歷磨煉或苦難，源自19世紀工業語境。