热火朝天 (rè huǒ cháo tiān) — bustling with activity; in full swing; lively and energetic

Definition

An idiom (four-character chengyu) for a scene of intense, widespread activity — worksites, crowds, events. Often paired with 热闹 but emphasizes energetic work or bustle rather than just noise or festivity.

idiom
bustling with activityin full swinglively and energetic

Examples

  • 热火朝天，。
    Gōng dì shàng rè huǒ cháo tiān, gōng rén men dōu zài jiā bān jiā diǎn.
    The construction site is bustling with activity; all the workers are putting in overtime.
  • 热火朝天，。
    Bǐ sài xiàn chǎng rè huǒ cháo tiān, guān zhòng men rè qíng gāo zhǎng.
    The competition venue was in full swing, with the audience highly enthusiastic.
  • ，热火朝天，。
    Chūn jié lín jìn, nián huò shì chǎng rè huǒ cháo tiān, rè nao jí le.
    As Spring Festival approaches, the New Year goods market is bustling with activity — extremely lively.

Origin

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 熱; 热 is its simplified writing.

Meaning part形符xíngfú
灬Written in full as火huǒfire
Sound part声符shēngfú
埶
埶yì熱rè
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 熱 pairs 埶 with 火 (written as 灬) to show heat, while 埶 gives a sound.

Open 热 →

A drawing of the thing itself, worn down over three thousand years into a few strokes.

火 is a simple drawing of a fire, with flames shown rising upward.

Open 火 →

Two or more meaningful parts placed together so that their meanings combine into a new one.

Originally, 朝 showed the sun rising above the ground while the moon was still in the sky, giving the sense of morning.

Open 朝 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
大大dà
Sound part声符shēngfú
丁
丁dīng天tiān
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The shape comes from a frontal standing man 大 with a head; 天 pairs 大 with 丁 for sound.

Open 天 →

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