si2 pei4屎皮
Jyutpingsi2 pei4
Yalesí pèih
Definition
Useless, weak, or of very poor quality.
colloquialdescriptionsslang
How it's used
This term is a harsh, informal way to describe someone's incompetence or lack of skill. It is often used to criticize performance in sports, work, or academic subjects. Using it implies a blunt, dismissive attitude towards the person being discussed.
Examples
Why is your work so sloppy?
Related words
Common mistake
Do not confuse this with the literal meaning of 屎, which refers to excrement. While the word contains that character, it functions as a slang adjective for poor quality and should be avoided in professional or polite settings.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- TonesCantonese has six tones, and the tones can change in certain grammatical contexts. Learn the six tones and the rules for tone change.
- Time and datesClock time, days of the week, months, and years. The patterns you need to make plans and talk about when things happen.
- Modal verbsHow to say can, will, may, should, must, and want. The core modal verbs of Cantonese and the differences that trip up beginners.



