That would be reversal of the order of host and guest.

就主客颠倒。

I immediately fell head over heels for Don.

我立刻神魂颠倒地爱上。

If you invert “I can”, you have “can I”.

果你把I can两词前后颠倒一下, 就成can I。

He was hypnotised by her beauty.

他见艳丽动人而神魂颠倒。

The tail wags the dog.

上下颠倒; 小人物掌权。

She fascinates me beyond measure.

使我神魂颠倒。

A concave mirror would project a real inverted image of the silverpoint onto the panel, which van Eyck would trace.

凹面镜把颠倒的实像投射到木板上，于是范艾克便可以在板子上描画。

In this company the workers tell the manager what he can and cannot do. It’s a real case of the tail wagging the dog.

司里是雇员规定经理的职权范围，真是上下颠倒。