ㄧㄢˋyànㄑㄩㄝˋquèㄒㄧㄤxiāngㄏㄜˋ

  1. 新屋完工燕雀築巢其間相互慶賀祝賀新屋落成淮南子·》:湯沐蟣蝨相弔大廈燕雀相賀。」北齊書··》:大夏宿朝士大夏。』應聲燕雀相賀。』」

lit. sparrow and swallow's congratulation (idiom)​; fig. to congratulate sb on completion of a building project, congratulations on your new house!