If Percy, from Percy Jackson, is anxious, its most likely because he is probably saving the world from corrupt gods.
At this specific moment though, he could just be confused on a test so he came to brainly to ask you and me why he is anxious. He is looking for advice!
Its ok Percy, you got this!
You can ignore the word. But to further your vocabulary,and your knowledge of literature you should probably look up the definition. Even if the word is not critical or necessary to the text.