白日梦 (bái rì mèng) — daydream; fantasy; pipe dream

Definition

A 白日梦 is a fantasy or pipe dream — an unrealistic wish, not just a brief daydream. Usually carries a negative tone, implying the idea is impossible or foolish.

noun
daydreamfantasypipe dream

Examples

  • 白日梦
    Bié zuò bái rì mèng le, hái shì miàn duì xiàn shí ba.
    Stop daydreaming and face reality.
  • 白日梦
    Tā xiǎng yí yè bào fù, nà bú guò shì bái rì mèng.
    He wants to get rich overnight — that's just a pipe dream.
  • 白日梦
    Zhè ge jì huà tīng qǐ lái xiàng bái rì mèng, gēn běn bú xiàn shí.
    This plan sounds like a daydream; it's totally unrealistic.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

白日daytime
báiwhiteday
偏正Modifier + head

白日 suggests daytime, and 梦 means dream, denoting a daytime dream.

Characters in this word

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

白 is thought to picture either an acorn or a human head.

Open 白 →

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

日 originally drew the sun. A mark was added inside to tell it apart from similar square shapes.

Open 日 →

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 夢; 梦 is its simplified writing.

Meaning part形符xíngfú
Sound part声符shēngfú
méngmèng
Same sound today

The traditional form 夢 pairs 夕 (night) with 瞢, which gives the sound; its older form showed a person lying with an eye emphasized.

Open 梦 →

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