Once a timer has been initialized, it can be started with hrtimer_start.

计时器被初始化之后，就可以通过hrtimer_start启动。

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I like to set a timer so that I can let go of wonderinghow long it has been, freeing my mind to connect to the presentmoment more easily.

我喜欢设定一个计时器，那样我能（在练习中）知道要停留上多长时间，把自己的思想（从时间问题上）解放出来，（让意识）更容易和（练习时的）美好时刻连接在一起。

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The door on a typical elevator has a timer on it which closes the door automatically if no one enters the elevator and pushes a button for another floor.

典型的电梯门上有一个定时器，其作用是当没人进入电梯且按下去其它楼层的按钮时可自动关闭电梯门。

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One particular example has it guiding users though an efficient power nap, by starting a timer once they've started dozing and only waking them once they've come out of a deeper sleep state.

ENGADGET: Sony patent application puts electrodes in a pillow, eases you out of slumber