心sam1算syun3

sam1 syun3xīn suàn

English

mental arithmetic
to calculate in one's head
planning
preparation
to do calculations in one's head; to do mental arithmetic

粵語 — Cantonese

唔用計數機或者寫低計算過程，淨係用個腦計數

Examples

佢計心算快過電腦。
His mental arithmetic is faster than a computer.

Sources: cc-cedict, rime-cantonese, words.hk

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