sam1 syun3心算

Jyutpingsam1 syun3
Yalesām syun
動詞

Definition

To do mental arithmetic; to calculate in one's head without writing or using a calculator.

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How it's used

Mental arithmetic is often treated as a skill or ability rather than just an action. When describing someone's proficiency, it is common to pair it with adjectives like 叻 or 快. It implies a sense of agility and speed that is highly valued in academic or market settings.

Examples

Try doing this math problem in your head, don't use your phone.
He is very good at mental arithmetic; he can calculate even very large numbers.

Related words

Common phrases

fast at mental arithmetic
mental arithmetic ability

Grammar color guide

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