释义
ad. 完全地,无瑕疵地,完整地
例句
1. You needn't labor a point that is perfectly plain. 这点很明显，你用不着讲个没完。 2. Don't shout into my ears like that, I can hear you perfectly well. 别那样对我大声嚷嚷，我能听清楚。
