in a manner or way that could not be better 完美地,完善地,极好地 the ring fitted perfectly. 那戒指非常合适。 [as submodifier]perfectly clean glass bottles. 非常干净的玻璃瓶。 ■[as submodifier]used for emphasis, especially in order to assert something that has been challenged or doubted 完全地;十分,非常(用于强调,尤指为了声明已受到质疑或怀疑的事) you know perfectly well I can't stay. 你非常清楚我不能留下来。