fever due to yang insufficiency

例句：

1. 1.He was feeling feverish after a long day at work.
   他工作了一整天后感到发烧。
2. 2.The patient's temperature rose significantly, indicating an underlying fever due to yang insufficiency.
   病人的体温显著升高，表明有潜在的阳虚引起的发烧。
3. 3. Doctors suspect that the fever may be due to a viral infection, rather than yang insufficiency.
   医生怀疑这种发烧可能是由病毒引起的，而不是由于阳虚引起的。