inner strain

例句：

1. 1. She was feeling a bit of inner strain after the long day's work.
   在漫长的一天工作后，她感到有些内心的压力。
2. 2. The team had to overcome inner strain to achieve their goal.
   团队必须克服内心的压力来实现他们的目标。
3. 3.He felt a deep sense of inner strain as he faced his toughest challenge yet.
   面对他迄今为止最艰难的挑战时，他感到了深深的内心压力。