Definition of bamboo curtain in English:

bamboo curtain

noun

often the Bamboo Curtain
historical
  • A political and economic barrier between China and noncommunist countries.

    • ‘Stalin's victory over Japan would have placed that country squarely behind the bamboo curtain.’
    • ‘While some have escaped the "bamboo curtain," many others are still trapped behind it.’
    • ‘You send such an important message to people who are in chains and suffering from torture behind the Bamboo Curtain of communism.’

Origin

1940s: after Iron Curtain..