Ominous /ˈɑː.mə.nəs/ adj. 恶兆的,不祥的,不吉利的
meaning: suggesting that something unpleasant is likely to happen
1) 词根:omin- 征兆,预兆
2) 后缀:-ous 形容词后缀,
e.g.There was an ominous silence when I asked whether my contract was going to be renewed. 当我询问我的合同是否将续签时,回答我的是不祥的沉默。