steepness
n. 险峻；不合道理
例句
But you will not mind the roughness nor the steepness of the way.
你不会介意路途的不平或艰险。
Because people tend to overestimate the steepness of slopes, and not because we're lazy.
因为人们往往会高估斜坡的陡峭程度，而不是因为懒惰。
The steepness and ruggedness dismay us, and so we stay in the misty valleys and do not learn the mystery of the hills.
山程的崎岖、峻峭，寒了我们的心，因此我们终生耽搁在雾谷中，从不会了解山顶上的佳境。 啊！
