sharp

a knife with a sharp edge/blade.

刀刃锋利的刀子

sharp teeth/claws/fingernails

锋利的牙齿／尖利的爪子／尖尖的指甲

The point of this pencil isn't sharp enough.

这支铅笔的头还不够尖。

She nudged me with a sharp elbow, to tell me to be quiet.

她狠狠地用肘捅了我一下，要我安静点。

I have this sharp pain in my chest, doctor.

医生，我的胸口感到刺痛。

a thin face with a sharp nose

长着尖尖鼻子的一张瘦脸

He was a little sharp with me when I asked him to help.

我请他帮忙时，他对我的态度相当刻薄。

The proposals came in for some sharp criticism.

提议遭到了尖锐的批评。

a sharp drop in temperature

气温的急剧下降

a sharp decline in the standard of living

生活水平的骤降

a sharp rise/increase in the number of cases of the disease

该病发病人数的急剧上升

a sharp bend in the road

公路的急转弯

to suffer a sharp blow to the head

头部遭到一记猛击

Lemons have a sharp taste.

柠檬的味道很酸。

This cheese is rather sharp.

这种奶酪很酸。

This TV gives a very sharp picture.

这台电视机图像非常清晰。

The mountains stood in sharp contrast to the blue sky.

群山与蓝天形成了鲜明的对比。

There is a sharp distinction between crimes which involve injury to people and those that don't.

造成人身伤害的犯罪和未造成人身伤害的犯罪之间界线分明。

It was a sharp reminder of how dangerous the world can be.

这清楚地提醒人们这个世界有多么危险。

Birdwatchers need to have sharp ears and eyes.

观鸟者必须有敏锐的耳朵和眼睛。

She has a sharp eye for a bargain.

她非常善于发现便宜货。

Our new director is very sharp.

我们的新主任非常精明。

She manages to combine a sharp mind/intellect with a sympathetic manner.

她既有机敏的头脑，又能做到善解人意。

He was a man of sharp wit/sharp-witted man who always spoke his mind.

他是一个思维敏捷、说话从不拐弯抹角的人。

The play was full of sharp one-liners.

这出戏充满了机智风趣的俏皮话。

He may be old but he's still as sharp as a tack.

他可能是上年纪了，但仍然思维敏捷。

Tony is a very sharp dresser.

托尼衣着很时尚。

a sharp–suited business executive

衣着时髦的企业主管

After the church, turn sharp left/right.

过了教堂，向左／右急转弯。

The performance will start at 7.30 sharp.

演出将于7：30准时开始。

The E string on my guitar is a bit sharp.

我吉他上 E 弦的音有些偏高。

This concerto is in the key of C sharp (= the set of musical notes a semitone higher than the one based on the note C).

这支协奏曲是升C调的。

to sing sharp

唱得偏高