冷箭 (laang5 zin3) — a bullet or arrow shot at an unexpecting target; a sniper shot in Cantonese
laangˏ₅冷zin˗₃箭Mandarin Pinyin: leng3 jian4
Meaning of 冷箭
nouna bullet or arrow shot at an unexpecting target; a sniper shot
nounarrow shot with the target unaware of/a cunning stance taken to harm an unaware one