This is an unexpected turn of events.

情势的转变出乎意料。

youdao

An unexpected turn of events brought their idyll to an end.

一件始料不及的事情终结了他们的爱情。

youdao

An unexpected turn of events brought their idyll to an end.

一件始料不及的事情终结了他们的爱情。

youdao