汉英词典
Chinese-English Dictionary
MEANING OF 反客為主
lit. the guest acts as host (idiom); fig. to turn from passive to active behavior
The guest in turn becomes the host / Metaphor to change from passive to active
客人反过来成为主人,多用来比喻变被动为主动。
fǎn zhǔ
EXAMPLE SENTENCES

那我什么时候上班?这是个有点让人讨厌的问题。不要反客为主了。

So, when do I start? A slightly obnoxious quip. Don't invite yourself into the job.

这存在的一丝希望不应反客为主。silver lining原意为“乌云的金边”,该句直译为:乌云的金边不应遮蔽了原有的云朵。

That this silver lining exists should not obscure the cloud.