phrase, idiomatic
to cut off one's country from the outside world
帝國主義的俄國變為社會主義的蘇聯，封建的閉關鎖國的日本變為帝國主義的日本，這些國家的地理和氣候並沒有變化。
帝国主义的俄国变为社会主义的苏联，封建的闭关锁国的日本变为帝国主义的日本，这些国家的地理和气候并没有变化。
dì guó zhǔ yì de é guó biàn wéi shè huì zhǔ yì de sū lián ， fēng jiàn de bì guān suǒ guó de rì běn biàn wéi dì guó zhǔ yì de rì běn ， zhè xiē guó jiā de dì lǐ hé qì hòu bìng méi yǒu biàn huà ． Imperialist Russia changed into the socialist Soviet Union, and feudal Japan, which had locked its doors against the world, changed into imperialist Japan, although no change occurred in the geography and climate of either country.
Definitions (Kaifangcidian)
（沒有對應漢語詞彙）
Examples (Wiktionary)
Mandarin
帝国主义的俄国变为社会主义的苏联，封建的闭关锁国的日本变为帝国主义的日本，这些国家的地理和气候并没有变化。
帝國主義的俄國變為社會主義的蘇聯，封建的閉關鎖國的日本變為帝國主義的日本，這些國家的地理和氣候並沒有變化。
dì guó zhǔ yì de é guó biàn wéi shè huì zhǔ yì de sū lián ， fēng jiàn de bì guān suǒ guó de rì běn biàn wéi dì guó zhǔ yì de rì běn ， zhè xiē guó jiā de dì lǐ hé qì hòu bìng méi yǒu biàn huà ．
Imperialist Russia changed into the socialist Soviet Union, and feudal Japan, which had locked its doors against the world, changed into imperialist Japan, although no change occurred in the geography and climate of either country.