tā de fǎn yìng yǒu diǎn yì cháng píng shí bù zhè yàng de shì bù shì yù dào shén me shì le

他的反应有点异常，平时不这样的，是不是遇到什么事了？

His reaction is a bit abnormal; he's not usually like this. Did something happen to him?