As she stood again he sprang upon her from behind.

Then it was that the two others sprang upon me.

All of them would spring upon the hated leader only to find the tables turned.

From the other side of the underground room, two men sprang upon them.

He wondered if they would spring upon their meat while it was still alive.

He looked like a wild animal about to spring upon his prey.

Like so many things, this meeting had been sprung upon him with little warning.

She sprang upon the distinction with a sense of relief.

With a last effort, it burst free, and crouched to spring upon me.

Then coming to himself he sprang upon the dragon with a cry.