缩头缩脑 suōtóusuōnǎo timid Definitions Defs Origin Strokes Stroke Words Sentences Sents 缩 縮 suō verb to recoil to shrink back; to withdraw in fear头 頭 tóu noun head the head of a human or animal; hair or hairstyle缩 縮 suō verb to recoil to shrink back; to withdraw in fear脑 腦 nǎo nounlocative head (bound form) The head; often used in phrases describing head movements or appearances.