ladder /ˈlædə/ n. ［c］梯子：climb down a ladder 从梯子上爬下来；climb/go up the ladder 爬上梯子；往上爬，官运亨通；kick away/down over the ladder (by which one rose) 过河拆桥；忘恩负义；lean/place/rest a ladder against a wall 把梯子靠在墙上 He who would climb the ladder must begin at the bottom. ［谚］千里之行始于足下。Hard work is often a ladder to/of success.勤奋是通向成功的阶梯。