The only reason there's anything left over is that death arrives unexpectedly.

An old friend has arrived unexpectedly and would like to see her.

She arrives unexpectedly at his house, as if the argument never happened.

He had thought, when he'd seen Nathan unexpectedly arrive, that help was at hand.

You have arrived unexpectedly, and at a very inopportune time.

After all, why hadn't she taken the break when the new slaver unexpectedly arrived?

Her husband has arrived at the hotel unexpectedly and is in a terrible rage.

"An old friend arrived unexpectedly, and told us," said the robot.

It arrived suddenly and unexpectedly but with a minimum of fuss.

He came frequently, arriving unexpectedly and at any time of the day which suited him.