loop
- vi. 打环；翻筋斗
- n. 环；圈；弯曲部分；翻筋斗
- vt. 使成环；以环连结；使翻筋斗
词组搭配
in (或 out of) the loop
(informal, chieflyUS)aware (or unaware) of information known to only a privileged few
(非正式，主美)（不）了解内幕
throw (或 knock) someone for a loop
(N. Amer. informal)surprise or astonish someone; catch someone off guard
(北美，非正式)使惊奇，突袭