某些动物烦躁不安可能是地震临震前的预兆。

Agitated activity by certain animals may be a sign of an impending earthquake.

《新英汉大辞典》

评论家却说，拉魁拉地震其实在之前的一些小震中有所预兆，而这些小震已经引起居民的担心了。

After all, critics say, the L'Aquila earthquake was preceded by minor shocks that also worried the city's residents.

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地震之前没有任何预兆。

There was no advance warning before the earthquake hit.

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