question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

(idiomatic) to avoid being seen; to be clandestine

(Internet slang) avoiding search engines; making something difficult to reach via a search engine

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

(informal) no problem

unthinkable, out of the question

practical question (problem)