A look of pain crossed the angel's suddenly very serious face.
Neelix asked, his voice taking on a suddenly serious tone.
I looked into those suddenly serious eyes, while the music beat and pulsed around us.
Kingsley had become suddenly serious, and even looked a little uncomfortable.
"Their time was different in a thousand ways," she said, her young voice suddenly serious.
Then, suddenly serious, he looked his comrade in the eye.
"Guy, listen," she said, and looked up at him, suddenly serious.
He became suddenly serious as he talked on the phone.
She had become suddenly serious and composed, mistress in her own house.
I looked from one suddenly serious face to another.