无事不登三宝殿wú shì bù dēng sānbǎodiàn〈比喻fig.〉没事不上门{never go to the temple for no reason; never visit anyone for no reason; wouldn't come to you if one had nothing to ask}(三宝殿{sɑnbɑodiɑn}: 指佛殿{Triratna Hall of Buddhism}): 他是~,今天来,一定有原因。{He never visits anyone for no reason. He wouldn't come here if he had nothing to ask of us.}