It opened its beak, then settled again, making no sound.
It opened its beak as if to cry out, then dropped back into the water.
The little bird stared intently, then opened its beak and gave a snap.
I will teach you not to open your beak at the wrong time.
He opened his beak to say, "Follow me," then stopped himself.
He had to open his beak to say 'chack' and the watch promptly fell out.
The blackbird opened its beak as if in silent laughter.
He opened his beak and closed it with a snap.
Kiki decided that the time had come to open her beak again.
It opened its long beak and said, "You can remember now."