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

using force

big wheel - a person with a great deal of power or influence, especially a high-ranking person in an organization. / tycoon

unsolved, unresolved

(attributively) unsolved

(computing) name resolution

everything

(colloquial) current boyfriend

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

everyone, one and all