Sometimes stopping for a moment is harder than staying busy.

有时候停下来要比继续忙着做事情更加困难。

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Sometimes stopping completely is not an option. It will just look too obvious.

完全停下来一动不动会太明显暴露你的行为。

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In our life, we may sometimes feel like there are certain things that are holding us back and stopping us from growing.

在我们的生活中，我们有时会觉得有些事情阻碍了我们的发展。

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They'll sign in at village checkpoints, sometimes stopping for mandatory layovers.

NPR: Iditarod Kicks Off With Festive Ceremonial Start

The NYPD's practice of stopping, questioning and sometimes frisking hundreds of thousands of people on city streets each year has received widespread criticism.

NPR: NAACP Head: Even Some In NYPD Oppose Street Stops

Stop-and-frisk the practice of stopping, questioning and sometimes patting down people seen as doing something questionable but not necessarily meriting arrest has become a flashpoint as the stops rose dramatically in the last decade, to nearly 700, 000 in 2011.

WSJ: Bloomberg staunchly defends NYPD policies