adv.严肃地；庄重地；严重地；沉重地

If you think that, you are gravely mistaken. 你若是那样想，就大错特错了。

The oldest of men carried on the business gravely. 那些顶老的老人们正在严肃地办理业务。

He stepped a minuet gravely and gracefully. 他的小步舞跳得庄重而优美。

He enunciated the word and then drank gravely. 他一字一顿地说,然后庄重地品酒。

His looseness in life has gravely affected his work. 他生活上的放荡严重地影响了他的工作。

He nodded gravely as I poured out my troubles. 我倾诉我的苦恼时他心情沉重地点了点头。