redoubtable
adjective /rɪˈdaʊtəbl/
  /rɪˈdaʊtəbl/
(formal)- if a person is redoubtable, they have very strong qualities that make you respect them and perhaps feel afraid of them令人敬畏的;可敬的 - a redoubtable leader令人敬畏的领袖 
- He was dreading his interview with the redoubtable Mrs Fitton.他害怕会见令人敬畏的费顿夫人。 
 词源late Middle English: from Old French redoutable, from redouter ‘to fear’, from re- (expressing intensive force) + douter ‘to doubt’.
- a redoubtable leader