急性疼痛的英文：
acute pain

The professor is an acute observer.
那教授是位敏锐的观察家。

There's an acute shortage of rain.
这里严重缺雨。

This area has an acute shortage of water.
这个地方缺水严重。

It was at best an acute and frightful reminder.
它至多是个尖锐而又可怕的提示。

Acutally he is totally a poser.
其实，他就是一个装腔作势的人。