Senses
鼠窃狗偷/ 鼠竊狗偷 petty thieves
(idiom) petty thieves and small-time robbers; people who steal small things like rats and dogs.
鼠窃狗偷/ 鼠竊狗偷 sneaky behavior
(idiom) to play petty tricks on the sly; to engage in sneaky or despicable behavior.