義無反顧 (ji6 mou4 faan2 gu3) — honour permits no turning back; be duty-bound not to turn back in Cantonese
jiˍ₆義mouˎ₄無faanˊ²反gu˗₃顧简 义无反顾
Mandarin Pinyin: yi4 wu2 fan3 gu4
Meaning of 義無反顧
nounhonour permits no turning back; be duty-bound not to turn back