vainlyKK [ˋvenli] /ˈveɪnli/發音副詞1徒勞地、白費地、枉然地He vainly tried to convince the committee to change its decision.他徒勞地想說服委員會改變決定。2自負地、虛榮地較少用She vainly checked her reflection in every shop window.她很自戀地在每一面店家櫥窗前照自己。