XXNHHHW是1句甚麼話的縮寫

應該是would的縮寫。英文中的'd大多是would的縮寫，比如sb. would like to do sth.縮略為sb.'d like to do sth.最為常見。不是would縮寫的情況基本僅見於sb. had better do sth.縮略為sb.'d better do sth.。