I set my alarm clock for 5am.

He clocked ten seconds in the 100 metres.

I hung a clock embroidery decoration next to my socks.

I forgot to set my alarm clock last night.

I bought a beautiful cuckoo clock for my living room.

The customer service hotline is available around the clock.

They were working against the clock to finish the project on time.

My biological clock tells me when it's time to wake up and go to bed.

The clock tower is a famous landmark in the city.

Don't be a clock-watcher, you lazy person.