更新换代 (gēng xīn huàn dài) — to upgrade; to replace the old with something new (generation)

Definition

Idiom meaning to replace the old with the new generation of products or technology, often implying ongoing progress. Common in tech, industry, and product contexts.

idiom
to upgradeto replace the old with something new (generation)

Examples

  • 更新换代。
    Zhè jiā gōng sī měi nián dōu huì duì chǎn pǐn jìn xíng gēng xīn huàn dài.
    This company upgrades its products every year.
  • ，更新换代。
    Suí zhe kē jì de fā zhǎn, diàn nǎo gēng xīn huàn dài de sù dù yuè lái yuè kuài.
    With the development of technology, the speed of computer upgrades is getting faster and faster.
  • 更新换代，。
    Chéng shì de jī chǔ shè shī xū yào bú duàn gēng xīn huàn dài, cái néng mǎn zú rén men de xū qiú.
    Urban infrastructure needs constant upgrading to meet people's needs.

Origin

Compound word
构词法gòucífǎ
联合liánhéSide by side

Two parts of equal weight, alike or opposite in meaning, standing side by side.

更新update
更gèngchange新xīnnew
补充Verb + complement
换代change generation
换huànreplace代dàigeneration
动宾Verb + object

更 and 换 both mean change, while 新 and 代 point to newness and generation; together they mean replace the old with the new.

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.

Meaning part形符xíngfú
攴攴pūhand holding a whip; action
Sound part声符shēngfú
𰀒
𰀒𰀒更gēng
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The old form showed two chariots, 𰀒; 攴, a hand holding a whip, was added to show action, and one chariot part was dropped. The remaining part changed into the shape seen in 更.

Open 更 →

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

假借jiǎjièLater borrowed for its sound alone — the picture has nothing to do with today’s meaning.

Meaning part形符xíngfú
斤斤jīn
Sound part声符shēngfú
辛
辛xīn新xīn
Same sound today

The shape originally paired 斤, for chopping wood, with 辛 for sound. It was borrowed for its sound to write 新, so the chopping-wood parts are unrelated to 'new'.

Open 新 →

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 換; 换 is its simplified writing.

Meaning part形符xíngfú
手手shǒuhand
Sound part声符shēngfú
奐
奐huàn換huàn
Same sound today

For the traditional form 換, 手 is the hand part and 奐 gives the sound; this note is about 換, not the simplified 换.

Open 换 →

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
亻Written in full as人rénperson
Sound part声符shēngfú
弋
弋yì代dài
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

In 代, 亻 shows a person, and 弋 gives the sound.

Open 代 →

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