地下恋用英语怎么说

"地下恋"用英语可以翻译为"underground love"，在英语中又被称为"closeted love"。这个短语来自于指那些被隐藏起来的或者不能公开的恋爱关系。

例句:

They were in an underground love for years before they finally came out to their families.
He was living a double life, hiding his underground love from the public.
The couple had to keep their underground love a secret for fear of persecution.

翻译:

他们在隐藏的恋爱关系中度过了多年，直到最终向家人坦白。
他过着双重生活，隐藏着自己不能公开的爱情关系。
这对夫妇不得不保密他们的秘密恋情，因为害怕被迫害。