Nobody was hurt, indeed the passengers never even knew what had happened.

The passengers didn't know what to make of the transaction.

The passengers, meanwhile, do not know that they have returned.

In addition, some passengers still did not know where their luggage was.

"The average passenger or customer will not know any difference."

So far, only the passengers in the main cabin knew of their presence.

The passenger knows nothing about the man behind the wheel.

The passengers knew about his trouble, and were sorry for him.

The passengers should know there was something wrong by this time, he thought.