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verb HSK 4
Traditional 發熱
fā rè
to have a fever · to generate heat · to run a temperature

Meaning

发热 literally means 'to emit heat' and is most commonly used in medical contexts to describe having a fever or elevated body temperature. It can also refer to objects or machines generating heat during operation.

Usage

This is the standard medical term for having a fever. In everyday conversation, people might also say 发烧 (fā shāo), which is slightly more colloquial. 发热 is frequently used in medical settings, health reports, and when discussing symptoms with doctors.

Examples

  1. 01
    孩子昨晚开始发热，体温达到了三十九度。
    Háizi zuó wǎn kāi shǐ fā rè, tǐ wēn dá dào le sān shí jiǔ dù.
    The child started running a fever last night, with a temperature reaching 39 degrees.
  2. 02
    如果出现发热、咳嗽等症状，请及时就医。
    Rú guǒ chū xiàn fā rè, ké sou děng zhèng zhuàng, qǐng jí shí jiù yī.
    If you experience symptoms such as fever and coughing, please seek medical attention promptly.

Characters

Common collocations

  • 发热症状
    fā rè zhèng zhuàng
    fever symptoms
  • 持续发热
    chí xù fā rè
    continuous fever
  • 手机发热
    shǒu jī fā rè
    phone overheating

Origin

Compound word combining 发 (to emit/release) and 热 (heat), directly describing the physical phenomenon of the body releasing or generating heat.

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