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I was aware that six or seven men were ready to spring into action in the event of the latter.

Everyone knew what that sound meant and sprang into action.

Nothing to cause anyone watching to spring into action.

It was all the flight attendant needed to spring into action.

When she had gone he sprang into action, after his own fashion.

Big Blue was soaking up sun on the street, ready to spring into action.

"When the trigger word is said, you spring into action and kill everybody at the meeting."

I have to be ready to spring into action.

He was waiting for his opportunity to spring into action.

He had only 4 minutes left to spring into action.