sharp blade

基本解释

It contained only one item--a small handaxe, with a razor-sharp blade.
袋子里只有一样东西：一把小手斧，一把有像剃刀般锋利的刀口的斧子。
It's almost as if they don't realize they are handling a sharp blade that is scraping at their face.
他们几乎没有意识到他们正在拿着一个锋利的刀片在刮自己的脸。
Here is a Tokyo with its neon lights out, its digital screens silenced, with cats scratching at rubbish bags, couples twined in doorways and a late autumn moon hanging in the sky “like a sharp blade”.
此刻的东京霓虹灯已暗下，数码屏幕的喧嚣已淡去，偶有猫儿抓挠垃圾袋，恋人们在门口出双入对，深秋的月儿悬在夜空中“尖锐如刀锋”。

After every knot the threads must be cut precisely with a sharp, curved blade.
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The blade is sharp on the inside of the curve, allowing the user to swing it through crops, cutting and gathering them at the same time.
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