The Vietnamese phrase "bế quan toả cảng" translates to "closed-door policy" in English. This term is often used to describe a political or economic strategy where a country restricts foreign influence and interaction, both politically and economically.
You can use "bế quan toả cảng" when discussing historical contexts, especially when talking about countries that have isolated themselves from the world. It is often used in political discussions or analyses regarding trade, diplomacy, and international relations.
In advanced discussions, "bế quan toả cảng" can be used metaphorically to describe any situation where an individual or group isolates itself from new ideas, technologies, or cultural influences. For example, one might say a company is adopting a "bế quan toả cảng" approach by refusing to innovate or adapt to new market trends.
While primarily used in a political or economic context, "bế quan toả cảng" can also imply social isolation, where a person or group becomes cut off from broader society.