inarticulately       
adverb uk/ˌɪn.ɑːˈtɪk.jə.lət.li/ us/ˌɪn.ɑːrˈtɪk.jə.lət.li/
 不善辞令地,口齿不清地
in a way whose meaning is not clear or is difficult to understand
  He uses words inarticulately.  他用词含糊不清。 
 She was mumbling inarticulately. 她口齿不清地喃喃自语。 
 See: inarticulate
 - More examples
 - I was inarticulately trying to convey my sense of impending doom.
 - He inarticulately tried to repeat what he’d been told to say.
 - They tried - inarticulately and unsuccessfully - to explain the new policy.