tension brittleness

例句：

1. 1. The tension between the two countries is high due to political differences.
   由于政治分歧，两国之间的紧张关系很高。
2. 2. The tightrope walker must maintain a constant tension to avoid falling.
   走钢丝的人必须保持恒定的紧张状态以避免掉落。
3. 3. The tension in the room grew as they waited for the meeting to begin.
   随着会议开始前的等待，房间里的气氛越来越紧张。