快 ㄎㄨㄞ ˋ kuài 刀 ㄉㄠ dāo 斩 ㄓㄢ ˇ zhǎn 乱 ㄌㄨㄢ ˋ luàn 麻 ㄇㄚ ˊ má 快 ㄎㄨㄞ ˋ kuài 刀 ㄉㄠ dāo 斬 ㄓㄢ ˇ zhǎn 亂 ㄌㄨㄢ ˋ luàn 麻 ㄇㄚ ˊ má lit. quick sword cuts through tangled hemp (idiom); decisive action in a complex situation cutting the Gordian knot