垫脚石 diànjiǎoshí stepping stone Origin Definitions Defs Strokes Stroke Words Sentences Sents 垫脚 墊腳 diànjiǎo to stand on tiptoe To stand on the balls of one's feet or tiptoes in order to reach something or see over an obstacle.石 shí noun stone rock; stone; (bound form) made of stone; rock-like