2 o’clock sharp

两点整

sharp teeth

锋利的牙齿

a sharp bend

急转弯

a sharp drop / increase in prices

价格急剧下跌/上涨

She has sharp eyes.

她目光敏锐。

a sharp child

机灵的孩子

sharp criticism

尖锐的批评

be sharp with sb

对某人严厉

I felt a sharp pain in my back.

我感到背上一阵剧痛。

Through all the noise came a sharp warning cry.

嘈杂中传来一声尖锐的警告声。