Buffaloes have hard and sharp horns to protect themselves.

水牛用硬而锋利的角来保护自己。

youdao

It was very black, with a grey neck; it had extraordinary eyes which were never still, and its beak was hard and sharp.

它非常黑，灰色的脖子；它的眼睛很特别，从来不会静止下来，它的嘴又硬又尖。

youdao

He yelled out and tried to pull away. The claws pulled back, hard and sharp, digging into his flesh and forcing him off balance.

他痛得喊了起来，努力想把手抽出来，但那爪子使劲向后扯，扎进他的肉里，迫使他失去平衡。

youdao

The PowerShares QQQ Trust ( QQQ) was also hit hard last week, and the sharp decline in Baidu.com ( BIDU) did not help.

FORBES: Will October Be Worse for Stocks and Gold?

The collapse of the dotcom boom and the sharp downturn in computer and telecommunications markets hit them especially hard.

ECONOMIST: Ready to party?

But we will work hard when we can, and try and stay sharp ready for the games.

BBC: Worcester City boss Richard Dryden is stymied by snow