Another hour ticked by, and the Waterloo team had solved just four problems.

But as the hours ticked past, the search met with only maddening results.

The hours ticked by as they went to work.

As the hours ticked away, the word was already leaking out.

An hour had ticked away when she heard a tap on her door.

The hardest thing is for people to sit here and watch the hours tick away and they are losing money.

The last hours of his life were ticking away, yet he had nothing better to do.

As bags are searched, the line backs up and the hours tick by.

The hours ticked by with no word from Joe or his abductors.

It was something to look forward to while the hours ticked by.