acute
单词辨析：
用于描述人们的想法、感觉，通常指能够注意到被观察物体的细微差异的。
He gave an acute analysis of regional politics.
他对区域政治作了敏锐的分析。
Wild animals have an acute sense of smell.
野生动物有灵敏的嗅觉。
用于描述思想感情和感官，强调敏锐的、聪慧的。
She has a keen eye/mind.
她目光/思想敏锐。
His keen ear caught the trace of an accent.
他敏锐的耳朵听出了些许口音。
既可指头脑灵活的，又可指观察入微的。
Birds have sharp eyes and dogs have sharp noses.
鸟有敏锐的眼睛，而狗有灵敏的鼻子。
He is seventy years old, but his mind is still sharp.
他虽然70岁了，但头脑还很灵活。
相关例句：
The contradictions are becoming increasingly acute.
矛盾日益尖锐。
Then the pain became even more acute.
痛乃逾甚。
Dogs have an acute sense of smell.
狗的嗅觉很灵敏。
Punishment can never be an effective cure for acute social problems
惩罚绝不是解决严重社会问题的有效办法。
Exorbitant housing prices have created an acute shortage of affordable housing for the poor.
过高的房价已经造成了穷人能够买得起的住房严重短缺。
The report has caused acute embarrassment to the government
报告将政府置于窘境。