无事不登三宝殿（無事不登三寶殿）　

◎ 无事不登三宝殿 wú shì bù dēng sānbǎodiàn

[would not go to sb.’s place except on business, for help, etc.;only goes to the temple when one is trouble] 比喻如果没事不登门(三宝殿:指佛殿)