無心插柳柳成蔭 (mou4 sam1 caap3 lau5 lau5 sing4 jam3) — reap unexpected results from an unintentional action in Cantonese
mouˎ₄無samˉ¹心caap˗₃插lauˏ₅柳lauˏ₅柳singˎ₄成jam˗₃蔭简 无心插柳柳成荫
Mandarin Pinyin: wu2 xin4 cha1 liu3 liu3 cheng2 yin4
Meaning of 無心插柳柳成蔭
nounreap unexpected results from an unintentional action
nounto reap unexpected rewards from an one's unintentional actions