lou5 maau1 siu1 sou1老貓燒鬚老猫烧须

Jyutpinglou5 maau1 siu1 sou1
Yalelóuh māau sīu sōu
語句

Definition

To make a careless mistake in a task one is highly experienced in; to slip up or blunder despite expertise.

colloquialpeopledescriptions

How it's used

This idiom is specifically reserved for people who are considered experts or veterans in a particular field. It highlights the irony of a blunder occurring precisely because the person was overconfident or let their guard down. It is often used in a slightly teasing or sympathetic tone rather than to harshly criticize.

Examples

I never expected him to make such a mistake given how experienced he is.
Be careful when you do this, don't mess up something you're usually good at.

Related words

synonymjam1 kau1 leoi5 faan1 syun4yām kāu léuih fān syùnh

Common phrases

be careful not to make a silly mistake

Common mistake

Do not use this to describe a beginner making a mistake, as the core meaning relies on the person being an experienced veteran who should have known better.

Grammar color guide

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