revolving-door

基本解释

All this, even though the public shows no enthusiasm for yet another revolving-door prime minister.
公众对谁将成为下一任首相根本没有多少热情。
If this pattern of “making up and breaking up” sounds familiar to you, you might be part of a revolving-door relationship.
如果你很熟悉这种“复合/分手”的模式，你可能陷入了“旋转门”关系。
This is why so many people get stuck in a revolving-door cycle, as being alone can be so painful that people would rather be in a bad relationship.
这就是为什么很多人被困在旋转门中，因为一个人实在太过痛苦，还不如在一段烂关系中。

Throughout, the media took dead aim at our strategic zig-zags and revolving-door CEOs.
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For the moment, Japan, which has had five revolving-door prime ministers in five years, will be spared another government crisis.
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Some large buildings have revolving doors instead of an ordinary door. They consist of four glass doors which turn together in a circle around a vertical post.
When you talk about a revolving door, you mean a situation in which the employees or owners of an organization keep changing.