Life in Britain seems to have become really grim and I'm not keen on returning, ever.
The statistics on youth fitness have become grim.
"And indeed he was," Avery continued, becoming calm and grim.
Her state of mind was becoming grim.
When he turned back to face the screen his expression had suddenly become grim.
The other sequels have become increasingly grim and dolorous; it's no fun having to live forever.
Indeed, the look on her face had become pretty grim, and Orbis didn't like the sound of what she was saying.
Barney's face had become grim, and he muttered, 'That's more or less the kind of form I expected.
Coth's smile did not so much fade as become slightly grim.
Instead, his face became grim and determined - almost brutal in its expression.