Life is unpredictable, like a boundless sea. Sometimes calm, sometimes waves lapping. Therefore, human life will encounter many setbacks.

人生变幻莫测，如同无边无际的大海。时而风平浪静，时而巨浪拍岸。因此，人的一生就会遇到很多的挫折。

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These submarine earthquakes sometimes give rise to seismic sea waves.

这些海底地震有时会引起地震海浪。

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Sometimes shock absorbers resist waves that it would be better to relax with, and the resonance of a building can change over time, making passive dampers less effective.

有时防震器闲置要比抵抗波力来得更好，并且建筑物的共振可以随着时间的推移而改变，使无源阻尼器效果低。

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Sometimes the birds sat down on the sea in groups, near brown seaweed that rolled on the waves.

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All right. So, let's look at this in another way, sometimes it's hard to picture these waves combining.

好的，让我们从另外一个方面来看，有时候很难想象这些波函数的组合。

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Sometimes you know, people, they come in big waves.

有时候，人们成群结队地来到这里。

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Sometimes, the waves hit in succession -- often the highest not being the first, CNN meteorologist Ivan Cabrera said.

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Pain can sometimes come in waves with nausea and vomiting.

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Also, since radio waves sometimes arrive at your device not directly from the radio tower but rather by being bounced off a building or hill, these signals may be much lower in signal strength than if you had a clear line of sight view to the cell site.

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