Illustration: Beside the outdoor tap of a Japanese home, a teenager scrubs a muddy indoor school shoe over a shallow basin. One hand grips the shoe firmly while the other drives a stiff brush across its rubber toe, bending the bristles against the surface.

こする

ko suru

to rub, to scrub

Example sentences

石せっけんを付つけてごしごしこすれば汚よごれが落おちます。
Rub briskly with soap, and the stain will soon wash off.
Tatoeba · CC BY 2.0 FR · Source
彼女かのじょは目めをこすった。
She rubbed her eyes.
Tatoeba · CC BY 2.0 FR · Source
彼かれは両手りょうてをこすりながら門もんのわきに立たっていた。
He stood by the gate, rubbing his hands together.
Tatoeba · CC BY 2.0 FR · Source

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