Word Study
know all the answers
THESAURUS
know all the answers
be expert in, be learned in, be master of, be up on, be well-informed, command, get around, have been around, have down pat, have it taped, have savvy, know backwards, know by heart, know damn well, know inside out, know the ropes, know the score, know wellFor further exploring for "know all the answers" in Webster Dictionary Online