leaven

1. V-T If a situation or activity is leavened by or with something, it is made more interesting or cheerful. 给…添趣; 为…增色

His interest in science and technology was leavened by a genuine passion for architectural history and theory. 对建筑历史学和其理论的热爱使他对科学和技术的兴趣更加浓厚了。

He found congenial officers who knew how to leaven war's rigours with riotous enjoyment. 他找到了和他志趣相投的懂得用狂欢来冲淡战争的残酷的军官。