Question

친구들에 관하여 무엇을 알고 싶은가요? Apart from the abovementioned usages, -에 occurs as a part of common expressions where it marks the dependable noun. Some verbs, like 걸리다, syntactically tend to be used with '[noun]에' expressions.

Accepted Answer

What do you want to know about your friends?

Front	친구들에 관하여 무엇을 알고 싶은가요?
Back	What do you want to know about your friends?
Notes	Apart from the abovementioned usages, -에 occurs as a part of common expressions where it marks the dependable noun. Some verbs, like 걸리다, syntactically tend to be used with '[noun]에' expressions.

친구들에 관하여 무엇을 알고 싶은가요 Friends Abovementioned Usages