ineffectually

英[ˌɪnɪ'fektʃuəli] 美[ˌɪnɪ'fektʃuəli]
  • adv. 无效地;无益地
Adverb:
  1. in an ineffectual manner;

    "she tried ineffectually to light the primus, and Thomas came to help her"

【邻近词汇】