4 sentences

1. 它现在几乎不发热了。

   tā xiàn​zài jī​hū bù fā​rè le.

   It's barely giving off any heat now.

   Source: OpenSubtitles

2. 灯泡用久了会发热。

   dēng​pào yòng jiǔ le huì fā​rè.

   Light bulbs heat up after being used for a long time.

   Source: Dong Chinese Dictionary

3. 他因为感冒而全身发热。

   tā yīn​wèi gǎn​mào ér quán shēn fā​rè.

   He felt feverish all over due to a cold.

   Source: Dong Chinese Dictionary

4. 他在投资时头脑发热，损失了不少钱。

   tā zài tóu​zī shí tóu​nǎo fā​rè, sǔn​shī le bù​shǎo qián.

   He was hotheaded when investing and lost a lot of money.

   Source: Dong Chinese Dictionary