【闭关自守】〖bì gun zì shu〗[close the country to international intercourse; autarchy; autarky; close one's doors to the rest of the world]

闭绝外企入朝鲜，

关拒列强造核弹。

自力更生公费普，

守时力民享共产。

关闭关口，不和外人来往。比喻因循保守，不愿接触外界事物。Are closed outside world, not deal with foreign country come go. Metaphor follow conservative, unwilling to contact outside things.同：闭关锁国、闭门谢客。反：广泛交流。谜：闪。