sou3 hau2數口数口

Jyutpingsou3 hau2
Yalesou háu
名詞

Definition

Ability with numbers; mathematical or calculating skill.

colloquialnumberswork

How it's used

Focuses specifically on mental arithmetic or the practical ability to manage money and calculations quickly. It is often used to describe someone who is shrewd or calculating in business dealings, implying they are not easily cheated. While it relates to math, it is rarely used to describe academic proficiency in subjects like calculus or geometry.

Examples

He is very sharp with numbers as an accountant.
Since you are so good with numbers, help me calculate this.

Common phrases

sharp with numbers
bad with numbers

Common mistake

Do not confuse this with the verb 計數, which refers to the act of calculating. 數口 is a noun describing the innate skill or talent, not the action itself.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector