适得其反 (shì dé qí fǎn) — to backfire; to achieve the opposite of one's intention

Definition

An idiom meaning an action backfires — the result is the opposite of what was intended. Often paired with 反而 to highlight the ironic outcome.

idiom
to backfireto achieve the opposite of one's intention

Examples

  • 适得其反
    Tā zhè yàng zuò fǎn ér shì dé qí fǎn, ràng shì qing gèng zāo le.
    His actions backfired and made things worse.
  • 适得其反
    Pī píng yǒu shí huì shì dé qí fǎn, bù rú gǔ lì yǒu xiào.
    Criticism can sometimes backfire; encouragement might be more effective.
  • 适得其反
    Tā de hǎo xīn què shì dé qí fǎn, ràng péng you gēng shēng qì le.
    His good intentions backfired, making his friend even angrier.

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 適; 适 is its simplified writing.

Meaning part形符xíngfú
Written in full aschuò
Sound part声符shēngfú
chìshì
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 適 pairs 辶 (walking) with a sound part; its inner part was originally 啻 and was stylized into 啇. The simplified 适 is a later variant.

Open 适 →

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

The old form 㝵 showed a hand picking up a cowry, meaning to obtain; later changes turned that picture into 得.

Open 得 →

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

The modern form 其 comes from an early drawing of a basket, with a stand added underneath.

Open 其 →

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
yòuhand
Sound part声符shēngfú
chǎngfǎn
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

反 uses 又 (hand) for meaning and 厂 for sound. Its original shape showed a hand turning its palm over, giving the sense of return or reverse.

Open 反 →

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