smell of the lamp
努力工作，特别是在艰苦的环境下，以达到目标
书面·形容费力创作
英文释义
to show signs of great effort or laboriousness in work
例句
His essay smells of the lamp; you can tell he stayed up all night writing it.
典故来源
源自古代作家熬夜工作，油灯气味附着于作品，比喻艰苦努力的痕迹。