seon3 sik1 maan6 bin3瞬息萬變瞬息万变
Jyutpingseon3 sik1 maan6 bin3
Yaleseun sīk maahn bin
Definition
To change rapidly and continuously in a very short period of time.
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How it's used
This idiom is primarily used in formal or semi-formal contexts to describe situations that are highly volatile or unpredictable. While it is a four-character idiom, it fits naturally into spoken Cantonese when discussing business, politics, or fast-paced trends. It carries a sense of urgency and emphasizes the speed at which circumstances can shift.
Examples
Technological development changes in a blink, it is really impossible to keep up.
This market changes rapidly, how are you planning to deploy your strategy?
Related words
Common phrases
the situation is changing rapidly
the market is highly volatile
Common mistake
Learners often mistake this for a general term for 'fast' or 'quick', but it specifically refers to the volatility and constant shifting of a situation rather than just the speed of an action.
Grammar color guide
Noun
Verb
Adjective
Adverb
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Classifier
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Grammar guides
- In 30 secondsThe whole language at a glance. No tenses, no plurals, six tones, sentence particles. Read this before you dive into any specific topic.
- ParticlesSentence particles add tone, emotion, and nuance. Learn the most common particles in Cantonese and how to use them.
- Possession (嘅)How to say my, your, and his, and how to link a describing word to a noun, all with the little word 嘅 (ge3).



