expeditious

1. ADJ Expeditious means quick and efficient. 迅速而有效率的[正式] [ADV with v]

The judge said that arbitration was a fair and expeditious decision-making process. 法官说仲裁是一个公正且迅速有效率的决定过程。

2. expeditiouslyADV

The matter has certainly been handled expeditiously by the authorities. 该问题肯定已被当局迅速而有效率地处理了。