ruggedness

基本解释

Desperately needs to be tested for ruggedness (is that a hint for me, Tog?)
急需針對嚴苛使用狀態的測試（這是對我的一個暗示麽，Tog？）
The steepness and ruggedness dismay us, and so we stay in the misty valleys and do not learn the mystery of the hills.
山程的崎嶇、峻峭，寒了我們的心，因此我們終生耽擱在霧穀中，從不會了解山頂上的佳境。啊！
Meanwhile, the induction motor’s big advantage—apart from its simplicity and ruggedness—has always been its ability to tolerate a wide range of temperatures.
同時，異步電動機的優點除了結搆簡單且強度好外，異步電動機還能在溫度大幅度變化的環境下正常工作。

t seems as if nature had saved all her ruggedness to pile it up in this colossal form of the Guadalupe Peak ...

In other words, the weight loss isn't coming at the expense of ruggedness.
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