1.DHTBCone of two strong upright poles set in the ground to support a gate 〔大门两边的〕门柱
2.between you, me, and the gatepostme, and the gatepost between youBritish EnglishBrE spokenSECRET used to say that you are going to tell someone your opinion, but you want it to be a secret 我私下跟你说