be on tenterbooks

例句：

1. 1. The campers were gathered around the tent, discussing their plans for the next day.
   露营者围在帐篷周围，讨论他们第二天的计划。
2. 2.He carried his tent book in his backpack and set off on his camping trip.
   他背着他的帐篷书，踏上了露营之旅。
3. 3.The tent book was filled with maps, brochures, and other helpful information for the campers.
   帐篷书里装满了地图、宣传册和其他对露营者有帮助的信息。