kaau3 dak1 zyu6 zyu1 naa2 wui5 wui4 soeng5 syu6靠得住豬乸會上樹靠得住猪乸会上树

Jyutpingkaau3 dak1 zyu6 zyu1 naa2 wui5 wui4 soeng5 syu6

Yalekaau dāk jyuh jyū ná wúih wùih séuhng syuh

Definition

An expression used to describe an extremely untrustworthy person, meaning pigs would sooner climb trees.

colloquialpeopleslang

How it's used

This idiom functions as a sarcastic retort to express total lack of faith in a person's promise or character. It is structurally similar to English expressions like "when pigs fly" or "hell freezes over" but is specifically used to mock someone's perceived untrustworthiness. The phrase is punchy and blunt, often used to shut down a conversation about someone's supposed good intentions.

Examples

keoi5佢waa6話wui2會waan4還cin4錢？kaau3靠dak1得zyu6住zyu1豬naa2乸wui2會soeng5上syu6樹aa1呀！

He says he will pay back the money? When pigs fly!

nei5你seon3信keoi5佢wui2會goi2改gwo3過？zan1真hai6係kaau3靠dak1得zyu6住zyu1豬naa2乸wui2會soeng5上syu6樹。

You believe he will change for the better? That is absolutely impossible.

Common phrases

jyun4完cyun4全kaau3靠dak1得zyu6住zyu1豬naa2乸wui2會soeng6上syu6樹

absolutely impossible

Common mistake

Do not use this phrase to describe a physical impossibility in nature, as it is strictly reserved for human behavior and reliability. Using it to talk about actual events rather than people will sound confusing to native speakers.