acumen/ˈækjumen, also əˈkju:mən; ə`kjumən/ n[U]ability to understand and judge things quickly and clearly; shrewdness 敏锐; 精明; 聪明 business acumen 善理业务的才智 have/show/display great political acumen 有[显示/展现]极大的政治才干.
牛津英汉双解词典