鲨鱼皮 meaning in English

sharkskin

Is the speedo fastskin swim suit really useful in swimming competitions
游泳比赛中“鲨鱼皮”真的有用吗？
Seven sleazy shysters in sharkskin suits sold sheared sealskins to seasick sailors
7个穿着鲨鱼皮外套的差劲的骗子把剪平的海豹皮卖给晕船的水手。
It ' s original polished sharkskin . the tip can conceal when it ' s highly for cutting
原是抛光的原色鲨鱼皮，当刀的功能高度集中在砍劈削划时，尖锋自可隐去。