Correct

无事不登三宝殿

/ wú shì bù dēng sān bǎo diàn /
Strokes

Definition

lit. One doesn't visit a temple without a cause. (idiom)/fig. to visit sb with an ulterior motive (esp. to ask for sth)/having a hidden agenda

Example

Definition

one never goes to the temple for no reason―I wouldn't come to you if I hadn't something to ask of you; one goes to sb's place only when one is in need of help