startlingly       
adverb uk/ˈstɑː.təlɪŋ.li/ us/ˈstɑːr.t̬əlɪŋ.li/
 令人吃惊地
in a way that is surprising and often slightly worrying
  High school dropout rates are startlingly high.  高中的辍学率令人吃惊地高。 
 startlingly poor results 糟糕得令人吃惊的成绩 
 See: startling
 - More examples
- The information can be startlingly detailed.
- He is passionate, wealthy and startlingly handsome.
- You have to understand the rules of the game, which can be startlingly different from what you are used to.