变化莫测 (biàn huà mò cè) — unpredictable, constantly changing; (idiom) capricious, volatile

Definition

Literally 'changes beyond measuring': emphasizes constant, rapid shifting in weather, markets, or moods. Closer to 'volatile' or 'fickle' than to plain 改变 (simple change).

idiom
unpredictableconstantly changingcapriciousvolatile

Examples

  • 变化莫测，，。
    Zhè lǐ de tiān qì biàn huà mò cè, zǎo shàng hái qíng tiān, xià wǔ jiù xià yǔ le.
    The weather here is unpredictable — sunny in the morning, rainy in the afternoon.
  • 变化莫测，。
    Zuì jìn de gǔ shì biàn huà mò cè, shuí yě bù gǎn qīng yì tóu zī.
    The stock market has been so volatile lately that no one dares to invest casually.
  • 变化莫测，，。
    Tā de qíng xù biàn huà mò cè, yí huì r gāo xìng, yí huì r shēng qì.
    His mood is fickle — happy one moment, angry the next.

Origin

Compound word
构词法gòucífǎ
主谓zhǔwèiSubject + predicate

A small sentence frozen into a word: something, and what it does or is.

变化change
变biànchange化huàchange
联合Side by side
莫测cannot be predicted
莫mònot测cèpredict
偏正Modifier + head

变化 “change” and 莫测 “cannot be predicted” combine as unpredictable change.

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 變; 变 is its simplified writing.

Meaning part形符xíngfú
攴攴pū
Sound part声符shēngfú
䜌
䜌䜌變biàn
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 變 uses 䜌 as a sound part and 攴 as a meaning part.

Open 变 →

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

化 shows two person figures, one upright and one upside down, to give the idea of reversal or change.

Open 化 →

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

The shape of 莫 shows a sun sinking into bushes, meaning dusk.

Open 莫 →

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 測; 测 is its simplified writing.

Meaning part形符xíngfú
氵Written in full as水shuǐwater
Sound part声符shēngfú
則
則zé測cè
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 測 combines 氵 (water) with 則 for the sound; it is explained as measuring the depth of water. The simplified 测 is a later shorthand.

Open 测 →

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