Tough rubber is needed for tyres.

坚韧的橡胶是制外胎所需要的。

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The toe area of a hoops shoe sees a lot of wear-and-tear during outdoor play and the tough rubber cap will take a lot more abuse than a traditional leather toe would.

当在室外打球鞋的脚趾区域的一圈会有很大磨损而这个硬橡胶杯会比传统的皮革鞋头更耐操。

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Well, young lady, I wanted to be good when I was younger, but life has been a struggle for me, and I've become as hard and tough as a rubber ball.

好吧，年轻的姑娘，我年轻时想做个好人，但生活对我来说是一场斗争，我已经变得和橡胶球一样坚韧了。

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As far as tough goes the handset's corners are wrapped in rubber with the connections in between covered with anodized aluminum.

ENGADGET: Caterpillar CAT B15 rugged smartphone hands-on Hands-on

What makes the Commando different is its thick black plastic shell, a 3.6-inch touchscreen covered with Corning's extra-tough Gorilla Glass and a micro-USB port sealed with a rubber gasket.

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