应该是walk down the steps to：走下阶梯去…
例句
This morning,he's going to walk down the front steps,wave his hand and start on his great adventure that will probably include wars and tragedy and sorrow.
今天早晨,他将走下屋前的台阶,挥挥手,踏上他伟大的冒险征途,途中也许会有战争、悲剧和伤痛.