N4 — outside your level filter
定規
jougi(measuring) rulerN4
Example sentences2
定規で長さを測った。
jougi de nagasa o hakatta.
I measured the length with a ruler. neutral
この線、定規で引いたほうがきれいだよ。
kono sen, jougi de hiita hou ga kirei da yo.
It's neater if you draw this line with a ruler. casual