深重的英文：
very serious
grave

参考例句：

The deep guttural sounds of the speaker were scarcely intelligible to the newly-waked, bewildered listener
说话人的深重的喉音，使这个刚醒而还莫名其妙的人几乎难以听得清楚。

His sufferings were so severe that he was permanently broken in health.
他经受的苦难如此深重，所以他的身体彻底垮了。

She had not protested, to anyone, and thus her guilt was unalloyed
她没有向任何人提过抗议，可见她的罪过是深重的。

very是什么意思：
adv. 非常，很；完全
adj. 正是的，恰好的，同一的；最…的；仅仅的，唯独的，甚至于

Very, very big,or very,very many does not mean infinite.
非常非常大，非常非常多并不意味着“无穷大”。

She was very headstrong, and very together.
她非常倔强，又非常精干。

I had often been very fearful, very angry, and very isolated.
我以前经常感到非常恐惧，非常愤怒，非常孤独。

serious是什么意思：
adj. 严肃的，认真的；严重的；危急的；重要的；庄重的

It is a serious article.
这是一篇发人深省的文章。

do not deny that is a serious blow.
我不否认那是严重的一击。

It is a job requiring serious application.
这是一项需要非常勤奋的工作。

grave是什么意思：
n. 坟墓；死亡
adj. 重要的；严重的；严肃的
v. 雕刻；铭记

Grave Busters consume graves they’re planted on.
噬碑藤会将它被种植在其上的墓碑吞噬。

The abductee issue is of grave concern.
绑架问题值得严重关切。

To have one foot in the grave
风烛残年