充实课余生活用英文怎么说

充实课余生活的英文表达是 "enrich one's leisure time."

来源：这是一个常用的英语表达，意思是使某人的课余生活变得充实有意义。

英文例句：

"She joined a club to enrich her leisure time."
翻译：她加入了一个俱乐部以充实她的课余生活。
"He takes up painting to enrich his free time."
翻译：他开始画画以充实他的空闲时间。
"They organize regular outdoor activities to enrich their weekends."
翻译：他们组织定期的户外活动来充实他们的周末。