Traduction :
lit. sparrow and swallow's congratulation (idiom); fig. to congratulate sb on completion of a building project; congratulations on your new house!
Référence :
燕雀因大厦落成有栖身之所而互相庆贺。后多用作祝贺新屋落成之语。
Origine :
《淮南子·说林训》:“汤沐具而虮虱相吊,大厦成而燕雀相贺,忧乐别也。”
Annotation :
燕雀相贺1
1. yànquèxiànghè :
[EN] lit. sparrow and swallow's congratulation (idiom); fig. to congratulate sb on completion of a building project; congratulations on your new house!