When someone is down on their luck, friends are very difficult to find.

【luck】一个人穷困潦倒的时候，很难找到朋友。

It's really the people that are really downtrod and really down on their luck, those that have virtually nothing that listened to your message.

真的是那些真正受压迫、真正倒霉的人，那些几乎一无所有的人听了你的信息。