ontheleftofinfrontofbehindturnleftgostraightturnrightontheright
haveyoueverdreamedofplayinginfrontofthousandsofpeopleataconcert
whenhumanswalk weputonefootinfrontoftheother
infrontof是在前边,ontheleft是在左边,ontheright是在右边,behind是
keepyourhips parallelto thewallinfrontofyou asyou rotateyour