1. In the past century, Irish painting has changes from a British-influenced lyrical tradition to an art that evokes the ruggedness and roots of an Irish Celtic past. 在过去的一个世纪里，爱尔兰绘画已经从一种受英国影响的抒情传统转变为一种艺术，唤起爱尔兰凯尔特过去的粗犷和根源。
2. Desperately needs to be tested for ruggedness (is that a hint for me, Tog?) 急需针对严苛使用状态的测试(这是对我的一个暗示么，Tog ？)
3. On the life path equally also can have the roughness, has the ruggedness. 人生的道路上一样也会有坎坷，有崎岖。
4. It's only when climbing the Huashan Mountain that I kown what is ruggedness. 只有在攀爬华山时我才知道什么是险峻！
5. The hard anodized aluminum alloy frame provides strength, ruggedness, and corrosion resistance. 硬阳极氧化铝合金框架提供强度，耐用性和耐腐蚀性。
