portentous

形容词 portentous:

1. of momentous or ominous significance
   同义词：prodigious
2. ominously prophetic
   同义词：fateful, foreboding
3. puffed up with vanity- Newsweek
   同义词：grandiloquent, overblown, pompous, pontifical

1. I see a portentous thing to come.
   我预感不祥的事情要来到了。

por.ten.tous

adj.（形容词）
Of the nature of or constituting a portent; foreboding:
预示凶事的；不祥的：
例句：
.The present aspect of society is portentous of great change.(Edward Bellamy)
.现在的社会预示着重大变革的发生.(爱德华·贝拉米)

Full of unspecifiable significance; exciting wonder and awe:
怪异的；奇特的和敬畏的：
例句：
.Such a portentous and mysterious monster roused all my curiosity.(Herman Melville)
.这样奇特而神秘的巨怪引起我强烈的兴趣.(赫尔曼·梅尔维尔)

Marked by pompousness; pretentiously weighty.
自负的；自命不凡的

【引伸】
porten.tously
adv.（副词）
porten.tousness
n.（名词）