portentous

英 [pɔːˈtentəs]

美 [pɔːrˈtentəs]

adj.  预示(坏事)的; 先兆的; 煞有介事的; 装腔作势的; 装模作样的

GRE

BNC.23278 / COCA.26114

牛津词典

adj.

• 预示（坏事）的；先兆的
  important as a sign or a warning of sth that is going to happen in the future, especially when it is sth unpleasant
  1. a portentous sign
     不祥的征兆
• 煞有介事的；装腔作势的；装模作样的
  very serious and intended to impress people
  1. a portentous remark
     装腔作势的言论

柯林斯词典

• ADJ-GRADED （指说话、写作或举止）自命不凡的，装腔作势的
  If someone's way of speaking, writing, or behaving isportentous, they speak, write, or behave more seriously than necessary because they want to impress other people.
  1. There was nothing portentous or solemn about him. He was bubbling with humour.
     他一点也不装腔作势或故作严肃，浑身散发着幽默。
  2. ...portentous prose.
     矫揉的散文
• ADJ-GRADED 预示未来的；影响重大的
  Something that isportentousis important in indicating or affecting future events.
  1. In social politics, too, the city's contribution to 20th century thought and culture was no less portentous...
     同样从社会政治学上看，城市对20世纪思想、文化的贡献也意义重大。
  2. Portentous choices were forced on him by the dozen.
     众多事关重大的抉择强加在了他身上。

双语例句

• Its consequences were historically portentous.
  其后果具有重大的历史影响。
• The timing is portentous.
  这一时机的选择耐人寻味。
• The report contains numerous portentous references to a future environmental calamity.
  报告里有很多地方预兆性地提到了将来的环境灾难。
• The Doctor was sitting in his portentous study, with a globe at each knee, books all round him, Homer over the door, and Minerva on the mantel-shelf.
  博士坐在他的奇特的书房中，每只膝盖上摆着一个地球仪，四周都是书籍，荷马①在门的上面，米涅瓦②在壁炉架上。
• The portentous way in which he wrote his name.
  他签名时那副矜夸的样子。
• Hoping this was an isolated incident, I spent that night awake, searching for more of her portentous advice, finding instance after instance of her wisdom come to fruition.
  希望这只是一个个别的事件，那一晚我一直清醒着，在脑海中搜索母亲更多的预言性的建议，发现她的智慧的预言一件一件地变为现实。
• According to exhaust temperature T,Δ p and Δ H parameters under the open thermodynamic system the running condition of the 2-stroke marine diesel engine is inspected to realize the real time supervision for combustion, running and failure portentous of diesel engine.
  根据进排气温度T，Δp和ΔH等参数，按照热力学开口系统考察船用二冲程柴油机运行工况，实现对柴油机的燃烧、运行和故障前兆现象的实时监控。
• Keep it, in any case, familiar, facetious even, rather than pedantic and portentous.
  无论如何，要使它显得很随便，甚至滑稽可笑，而不要显得很迂腐，夜郎自大。
• His essay is perhaps a little portentous.
  他的文章也许有些矫揉矜持。
• Answer: workshop worker can hide below car, machine tool and loftier equipment, not portentous fluster runs.
  答：车间工人可以躲在车、机床及较高大的设备下，不可惊慌乱跑。