1.lit. a thief crying "Stop the thief!" (idiom)2.fig. to accuse sb of a theft and try to sneak away oneself3.to cover up one's misdeeds by shifting the blame onto others
it doesn't matter whether a cat is white or black; as long as it catches mice it's a good cat (variant of a Sichuanese saying used in a speech by Deng Xiaoping 邓小平[dèng xiǎo píng] in 1962, usually associated with his economic reforms starting in 1978, in which pragmatism was favored over ideological purity)