nǎojīn jízhuǎnwān

== Mandarin == === Romanization === nǎojīn jízhuǎnwān (Zhuyin ㄋㄠˇ ㄐㄧㄣ ㄐㄧˊ ㄓㄨㄢˇ ㄨㄢ) Hanyu Pinyin reading of 腦筋急轉彎 / 脑筋急转弯