unequivocally       
adverb uk/ˌʌn.ɪˈkwɪv.ə.kəl.i/ us/ˌʌn.ɪˈkwɪv.ə.kəl.i/
 毫不含糊地; 明确地,肯定地
in a way that is total, or expressed very clearly with no doubt
  She unequivocally denied the allegations. 她明确地否认了这些指控。 
 He unequivocally ruled out the possibility of military intervention. 他明确排除了军事干预的可能性。 
 See: unequivocal
 - More examples
- She needs to deliver her message powerfully and unequivocally.
- He said the allegations against him were "absolutely and unequivocally" untrue.
- He unequivocally declared his innocence.