1. 敏锐：很少有比......这样一种形式--在该形式中证人的询问会时断时续地进行--更为糟糕的滥用了......可能在进入证人席时决心直接叙述案情并在他所知道的范围内贴近事实;但假如他不是一位具备超出常人的坚定(firmness)和敏锐(acuteness)的人的话,那么,其

2. 锐度：acute irradiation 急性辐射 | acuteness 锐度 | adamantine spar 刚玉

3. 尖音質：acute accent 尖音符尖重音 | acuteness 尖音質 | age and area theory 年代和區域論

1. the quality of having a sharp edge or point

2. a quick and penetrating intelligence

    e.g. he argued with great acuteness
           I admired the keenness of his mind

    Synonym: acuitysharpnesskeenness

3. a sensitivity that is keen and highly developed

    e.g. dogs have a remarkable acuteness of smell