bìguānsuǒguó

== Mandarin == === Romanization === bìguānsuǒguó (Zhuyin ㄅㄧˋ ㄍㄨㄢ ㄙㄨㄛˇ ㄍㄨㄛˊ) Hanyu Pinyin reading of 閉關鎖國 / 闭关锁国