bat1 zi1 tin1 gou1 dei6 hau5不知天高地厚
Jyutpingbat1 zi1 tin1 gou1 dei6 hau5
Yalebāt jī tīn gōu deih háuh
Definition
Overconfident; having an exaggerated view of one's own abilities.
colloquialpeopledescriptions
How it's used
This idiom is used to criticize someone for being naive, arrogant, or reckless because they lack life experience. It carries a strong sense of disapproval and is typically directed at younger people or those who underestimate the difficulty of a task. It implies that the person is blind to the vastness of the world and their own limitations.
Examples
He wants to start a business at such a young age; he really has no idea how hard the world is.
nei5你lin4連gei1基bun2本gung1功dou1都mei6未hok6學hou2好,zau6就soeng2想tiu1挑zin3戰daai6大si1師,m4唔hai6係bat1不zi1知tin1天gou1高dei6地hau5厚hai6係me1咩?
You haven't even mastered the basics yet, but you want to challenge a master; if that's not overestimating yourself, what is?
Related words
Common phrases
really has no idea how hard the world is
Common mistake
Learners often mistake this for a simple description of ignorance, but it specifically implies a lack of humility and a dangerous level of overconfidence. Do not use it to describe someone who is simply uneducated or uninformed about facts.
Grammar color guide
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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).



