having a very thin edge or point that can cut something or make a hole in something very easily

Be careful handling that knife, because it is super-sharp. 小心拿那把刀，因为它非常锋利。

Precision tools can produce a supersharp and durable edge. 用精密工具可以制造超级锋利又耐用的刀锋。

extremely clear

The electron telescope sent back super-sharp digital photographs of the planet's surface. 电子望远镜发回了该行星表面的超清晰数字照片。

The images are supersharp, as if viewed through too-strong glasses. 这些图像非常清晰，就好像透过度数很高的眼镜看到的那样。

extremely intelligent or quick to notice things

My aunt has a super-sharp memory even though she's in her eighties. 我姑姑虽然已经八十多岁了，但她的记忆力仍非常好。

Her writing is loaded with supersharp observations about the modern world. 她的作品充满了对现代世界的极其敏锐的观察。

extremely fashionable

Their home is stylish and their clothes are super-sharp. 他们的家很时尚，他们的衣着也超时髦。