Check clock is working, with correct time and alarm turned off.

检查闹钟，保证时间准确，叫醒铃声关闭。

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Telling everybody hanging out on the block it's time to wake up and check the clock.

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One of the biggest complaints, particularly during the NCAA tournament, has been about officials stopping games to check the game clock, then adding a few tenths of a second back.

WSJ: Officials facing dilemma with video review

Check out the handy world clock.

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