When japan slid into deflation in the mid-1990s bond investors were caught unawares .

当90年代中期的日本陷入通货紧缩，债券投资者们措手不及。

The disease spread fast before being detected , in a city caught unawares .

该疾病被发现之前传播之迅速让多伦多感到措手不及。

Mr zuckerberg admits that twitter caught facebook unawares , though he plays down its significance .

扎克伯格承认，twitter打了facebook一个措手不及，但他认为关系不大。

Old age creeps upon one unawares .

不知不觉间人就老了。

The argentines have said subsequently that they were taken unawares by the attack .

阿根廷人事后曾说，这次袭击对他们是出其不意的。