giving the worrying impression that something bad or unpleasant is going to happen; threateningly inauspicious 恶兆的;不吉利的 there were ominous dark clouds gathering overhead. 空中有预兆凶险的乌云聚集。
派生 ominously adverb ominousness noun 语源
late 16th cent.: from Latin ominosus, from omen, omin- 'omen'