si2 haang1 gwaan1 dou1屎坑關刀屎坑关刀

Jyutpingsi2 haang1 gwaan1 dou1
Yalesí hāang gwāan dōu
形容詞

Definition

Useless; completely incompetent in both academic and physical pursuits.

slangpeopleslang

How it's used

This idiom relies on the imagery of a sword found in a latrine, implying it is dirty, useless, and essentially a waste of space. It is a harsh, dismissive way to describe someone who lacks proficiency in both intellectual and physical tasks. Because it carries a vulgar connotation due to the reference to a latrine, it should be avoided in professional or formal settings.

Common mistake

Do not use this to describe a specific task that is difficult; it is strictly used to insult a person's general lack of ability or talent across the board.

Grammar color guide

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