提示：点击例句中的单词，就可以看到词义解释

Heavy insider purchases sometimes portend a vigorous market rally .

内部人士大举买入，有时预示着市场将开始强力反弹。

It was seen by some as a portend .

这被某些人看作是某种预兆。

Vivid , violent dreams can portend brain disorders by half a century , a new study finds .

一项新的研究发现，栩栩如生的恶梦能预知到半个世纪后的脑部紊乱。

Or does it portend a new europe ?

还是预示着一个新欧洲的到来？

Do watson and his ilk portend higher unemployment ?

沃森及其家族成员是否预示着未来失业率会更高呢？