proficiency
n[U]
~ (in sth/doing sth)being proficient (in sth) 精通; 熟练
a test of proficiency (in English) (英语)水平测试
show proficiency in operating a switchboard 操作配电板十分熟练.
He sat in the darkness and listened to the people around him.
他坐在黑暗处,听着周围的人在讲话。
The death of Gandhi gave India a chance to mourn and express how he had become father to all Indians. Millions watched the slow march that took his body through the capital.