What are the four hells in others?

The concept of "four hells in others" isn't a recognized Buddhist or any other religious concept. It's possible you're misremembering or confusing it with something else.

It's important to approach concepts like these with caution as they can be misleading or even harmful.

Could you provide more context about where you encountered this idea? For example:

* Where did you hear this phrase? (book, website, person)

* What was the context? (religious discussion, personal advice, etc.)

* What did the source say about the "four hells"?

With more information, I might be able to help you understand what you're thinking of.