閉關鎖國

Simplified: 闭关锁国

bìguānsuǒguó ㄅㄧˋ ㄍㄨㄢ ㄙㄨㄛˇ ㄍㄨㄛˊ

    • to close the passes and seal off the country
    • to close a country to exclude foreign contact

Character by character

Sources