無能為力 (mou4 nang4 wai4 lik6) — powerless or impotent; (lit.) without any ability to use as a strength in Cantonese
mouˎ₄無nangˎ₄能waiˎ₄為likˍ₆力简 无能为力
Mandarin Pinyin: wu2 neng2 wei2 li4
Meaning of 無能為力
nounpowerless or impotent; (lit.) without any ability to use as a strength