Definition
to experience a severe fever
发高烧
When he got sick, his temperature began to burn up.
当他生病时，他的体温开始升高。
If you feel your body burning up, you should see a doctor immediately.
如果你感觉身体发热，应该立即去看医生。
In such cases, the nighttime temperature can suddenly burn up, causing discomfort.
在这种情况下，夜间体温可能会突然升高，导致不适。