Hongmen feast / (fig.) banquet set up with the aim of murdering a guest / refers to a famous episode in 206 BC when future Han emperor Liu Bang 劉邦|刘邦[Liu2 Bang1] escaped attempted murder by his rival Xiang Yu 項羽|项羽[Xiang4 Yu3]
gate / door / CL:扇[shan4] / gateway / doorway / CL:個|个[ge4] / opening / valve / switch / way to do something / knack / family / house / (religious) sect / school (of thought) / class / category / phylum or division (taxonomy) / classifier for large guns / classifier for lessons, subjects, branches of technology / (suffix) -gate (i.e. scandal; derived from Watergate)