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to rub; to chafe; to strike (match); to file; to frost (glass)
to squander (one's money); to run through (one's fortune); to lose money (e.g. by gambling)
「擦る」 has other readings with different meanings.
転んで膝を地面で擦ってしまって痛い。
I fell and scraped my knee on the ground, and it hurts.
子どもが眠そうに目を擦った。
The child rubbed their eyes sleepily.
猫が顔を手で擦っている姿がかわいい。
The way the cat rubs its face with its paw is cute.