This is the 222nd most frequent Indonesian word.
mengenai
"Regarding" or "about."
In this sentence, 'mengenai' is used to indicate the topic or focus of the conversation.
Ia berbicara mengenai lingkungan yang bersih.
He/She talked about a clean environment.
Here, 'mengenai' functions as a preposition meaning 'about' or 'regarding', introducing a topic of discussion.
Guru tersebut menjelaskan mengenai sejarah Indonesia kepada murid-murid.
The teacher explained about the history of Indonesia to the students.
Here, 'mengenai' is used to mean 'hit' or 'struck', describing physical contact of the ball with the face.