"I think I've covered that business more than adequately," he said gravely.

“我认为我已经把那件事搞得够详细的了，”他一脸严肃地说。

《柯林斯英汉双解大词典》

Both animals nodded gravely.

两只动物严肃地点头。

youdao

"Of course," the Dodo replied very gravely.

“当然了。”渡渡鸟非常严肃地回答。

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"The Brazilian government is gravely concerned that the same people who perpetrated the coup d'etat might threaten the inviolability of the embassy to forcibly arrest President Zelaya,".

VOA: standard.2009.09.25

He would be quite famous in his line of work. Whether Magda was his wife or not, one evening when he was wise-lined and gray at the temples he'd smile gravely, at a fashionable dinner party, and remind her of his youthful passion.

他会在他的行业中变得相当有名，不管Magda是否,成为他的妻子，等他有了智慧的皱纹，两鬓斑白了,他会有天晚上在一次上流社会的晚宴上，庄重地微微一笑,对她提起自己少年时代的钟情。

耶鲁公开课 - 1945年后的美国小说课程节选

But for McCourtney, 61, sticking with gravely ill portfolio companies is simply part of the Venrock ethos.

FORBES: Personality Change

If you listen, beneath the pleasant acoustic instruments, you hear a tartly sarcastic, gravely judgmental song.

NPR: The Magnetic Fields' Hard-Headed 'Realism'

His gravely tones are also just as romantic in person as they are on television.

ENGADGET: Ted Sarandos, Mitch Hurwitz and Will Arnett wax poetic about creating content for the internet