haltingly       
adverb uk/ˈhɒl.tɪŋ.li/ us/ˈhɑːl.t̬ɪŋ.li/
 (尤指讲话或动作因紧张而)结结巴巴地,断断续续地
in a nervous way, stopping often while you are saying or doing something
  He spoke haltingly about his experiences as a hostage. 他断断续续地讲述了他作为人质的经历。 
 She walks haltingly toward him. 她畏畏缩缩地朝他走去。 
 See: halting
 - More examples
 - Haltingly at first, they began to talk.
 - Unused to attention, he haltingly tells his life story.
 - She keeps haltingly referring to her notes.