1. His enthusiasm was sincere and his criticism acute. 他的热情是真实的，评论是深刻的。
2. The acute transformation of society makes it a world tide to reform education. 社会的剧烈变革使得教育改革成为一个世界性的潮流。
3. Working in the place without danger of fire, exploding, acute shaking , chemistry erosion and serious dirtiness. 没有火灾爆炸危险，没有剧烈震动及化学腐蚀等严重污秽的场所；
英英解释
n.
1. a mark (') placed above a vowel to indicate pronunciation
2. having or experiencing a rapid onset and short but severe course
3. extremely sharp or intense
4. having or demonstrating ability to recognize or draw fine distinctions
5. of an angle; less than 90 degrees
6. ending in a sharp point
7. of critical importance and consequence
