这两起事件都显示了露西是多么敏锐。
Both incidents show how ___perceptive Lucy is.
他敏锐的观察帮助解开了谜团。
His ___perceptive observations helped solve the mystery.
她是一位敏锐的作家,能捕捉到微妙的情感。
She is a ___perceptive writer who captures subtle emotions.