"Oh, please, don't wait on me," she said, feeling more nervous by the second.
He would have been even more nervous by himself.
Was she just nervous and overwrought by the shock of her husband's death?
I've just been sitting here getting more nervous by the minute.
Paul could see she was nervous by the way her hand trembled in his.
A thing like that had a tendency to make a man nervous by its own self.
Not made a bit nervous by the presence of the police.
Tsubasa is nervous by this as he didn't mean for her to see him use his powers.
It was getting dark and he was more nervous by the minute.
I've been dressed since four, and I was getting more nervous by the minute.