ominously       
adverb uk/ˈɒm.ɪ.nəs.li/ us/ˈɑː.mə.nəs.li/
 恶兆地,不祥地,不吉利地
in a way that suggests that something unpleasant is likely to happen
  I went into the kitchen and found him lying ominously still on the floor. 我走进厨房,发现他不祥地躺在地板上一动不动。 
 "I'm waiting," Evelyn said ominously. “我在等着,”伊芙琳不祥地说。 
 See: ominous
 - More examples
 - Locals are finding fewer fish to eat and, more ominously, the tide rises a bit higher each year.
 - They talked ominously about the possibility of redundancy.
 - No issue hangs over the Games more ominously than drugs.