贼头贼脑 zéitóuzéinǎo furtive Definitions Defs Origin Strokes Stroke Words Sentences Sents 贼 賊 zéi sly wily; devious; deceitful; shifty头 頭 tóu noun head the head of a human or animal; hair or hairstyle贼 賊 zéi sly wily; devious; deceitful; shifty脑 腦 nǎo nounlocative head (bound form) The head; often used in phrases describing head movements or appearances.