这把剪刀的锋利刀刃可以轻松剪开纸张。

The ___sharp edge of these scissors can cut paper easily.

他的思维非常敏锐，总能迅速抓住问题的核心。

He has a ___sharp mind and can quickly grasp the essence of any problem.

他的声音在安静的房间里显得格外清晰。

His ___sharp voice stood out clearly in the quiet room.

那条山路有一个急转弯，驾驶时要格外小心。

The mountain road has a ___sharp turn, so drive carefully.

她穿着那条红裙子看起来非常时髦。

She looks really ___sharp in that red dress.