adj.尖的，锐的,敏锐的，敏感的,严重的，剧烈的,[医]急性的
I was laid up in bed with acute rheumatism.
我染上了急性风湿，卧病在床。
In the dark my sense of hearing becomes so acute.
黑暗中我的听觉变得异常灵敏。
Into her nineties, her thinking remained acute and her character forceful.
虽已年届九旬，她依然头脑敏锐，个性很强。