His speech was leavened by a few witty stories.他的讲演因为几个妙趣横生的故事而变得活跃起来。

His mood of deep pessimism cannot have been leavened by his mode of transport – a black cab.他极度悲观沮丧, 而他的代步工具——一辆黑色的出租车, 丝毫不能舒缓这一情绪。

He found congenial officers who knew how to leaven war's rigours with riotous enjoyment.他遇到一些志趣相投的军官, 他们懂得如何通过放纵狂欢来冲淡战争的严酷。