gaau3 si1教師教师
Jyutpinggaau3 si1
Yalegaau sī
Definition
Teacher; a person who teaches students knowledge.
neutralschoolpeople
How it's used
Refers specifically to a professional educator working in an academic institution. While it is the standard term in formal settings, people in daily life often prefer using 老師 when addressing or talking about their own instructors as it carries a more respectful and personal tone.
Measure word
wai6位waihExamples
He is the most popular teacher in the school.
Do you know which teacher is in charge of this subject?
Related words
Common mistake
Avoid using this term to address a teacher directly in conversation, as it sounds overly clinical and detached. Use 老師 instead to show proper respect.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
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).



