反常行为

例句：

1. 1. He's always late for work, which is a bit of a blip on his usual routine.
   他经常上班迟到，这有点打破了他的常规。
2. 2. The child was unusually quiet during the presentation, which caused concern among the audience.
   孩子在演讲时异常安静，这让听众感到担忧。
3. 3. His behavior was inconsistent with his previous statements, which raised questions about his credibility.
   他的行为与之前的言论不一致，这引发了对他可信度的质疑。