闭关自守

闭关自守 [bì guān zì shǒu]

1. ■ close the country to international intercourse [external contacts]; autarchy; autarky; close one's doors to the rest of the world; keep oneself to oneself; live in isolation; self-seclusion; shut oneself in; shut the door on the world; stand on the defensive with the gates of the cities closed; stop international intercourse; wall the country off from international exchanges [trade]