They were off-screen lovers.是什么意思？

They were off-screen lovers.

他们是真实生活中的情侣。

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

lovers

n. 爱好者( lover的名词复数 )，情人，情夫，情侣；

例句
Nature lovers will be on the lookout for eagles, cormorants, and the occasional whale.
自然爱好者要密切留意鹰、鸬鹚和偶尔出现的鲸鱼。