suàn​shù

count numbers

算数 (算數) suàn​shù
count numbers verb
to count numbers or perform simple arithmetic calculations

This five-year-old child has already learned how to do arithmetic.

matter verb
to count; to be of importance, consequence, or to have the final say

On this matter, the teacher's word is final.

valid verb
to hold; to remain valid; to keep to one's word or promise

Now that we've signed the contract, we must stand by our word.

Frequency

Movie subtitles
5.99 per million appears in 3% of films
Written text
2.29 per million

Details

HSK 2.0
Level 6

Sources

Definitions
CC-CEDICT