unsuccessfully       
adverb uk/ˌʌn.səkˈses.fəl.i/ us/ˌʌn.səkˈses.fəl.i/
C1 不成功
in a way that does not succeed or achieve the hoped for result
  He ran unsuccessfully for a parliamentary seat.  他竞选过议会席位,但失败了。 
 She tried unsuccessfully to start several small businesses. 她试图创办几家小企业,但没有成功。 
 See: unsuccessful
 - More examples
 - She applied unsuccessfully for more than forty jobs.
 - He ran unsuccessfully for president in 1848.
 - She searched unsuccessfully for a training course for her son.