She sat down again and looked up at the big clock.

He looked up at the clock on the wall over the radio operator's table.

I look up at the clock and see that I've put in an extra 45 minutes.

She looked up at the clock on the wall of the kitchen.

He looked up at the clock over the bar, then took a sip.

He smiled again, and then abruptly looked up at the clock.

He looked up at the clock over the coffee maker.

She looked up at the clock: ten minutes after three.

I just looked up at the clock and saw the time.

The woman looked up at the clock on the wall.