The fiddler crab is a living clock.

招潮水蟹是一只活闹钟。

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The majority were clock makers, seal engravers, locksmiths, and cobblers who made their living in the city.

他们中多数是在城市里谋生的钟表手工艺人，印章雕刻者，锁匠，补鞋匠。

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TINKERING with the circadian clock, the day-and-night cycle in the physiological processes of all living beings, is rarely a good idea.

捣乱生物钟——万物生灵生理过程中的昼夜节律——绝不是个好主意。

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I've known people who put the alarm clock in the living room, but then forget to set it before going to sleep.

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"I was sitting about six o'clock in the living room, watching TV, and I noticed a woman walking past the window with two dogs, " she said.

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These days, the only round-the-clock operations in Eastport are the nursing home and the assisted-living facility.

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