The hard lines in his aunt's face relaxed and a sudden tenderness dawned in her eyes.

姨妈脸上强硬的表情松弛下来，眼中突然流露出温柔的神色。

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But sometimes even when you have a bad feeling about sudden pain, it can be hard to stop, especially during a race.

但有时候即使突然感到非常疼，而且感觉糟糕，你也很难停下来，特别是在比赛中。

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A sudden fall in sales will leave them without cash at a time when bank overdrafts are hard to secure or to increase.

销售的突然下降将让他们没有现金，同时银行透支额也很难保证或增加。

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But a sudden start to hard exercise can cause headaches.

VOA: special.2010.03.30

For the most part, these parents did well enough through midlife to take on sizable loans, but some have since fallen on tough times because of the recession, health problems, job loss or lives that took a sudden hard turn.

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More startling still is the sudden cut to hard, unglamorous gray-greens, and the sight of Freddie hacking the heads off cabbages in a California field.

NEWYORKER: Sail Away

The camera records what happens inside and outside the vehicle but saves the recording only when it senses a sudden movement such as hard braking or a sharp turn, Muth said.

CNN: Fatal wrecks underscore risks for young drivers