N2 — outside your level filter
Is said whole, with nothing composed onto it and takes no だ/です, so there are no forms to conjugate.
口が悪い
kuchigawaruihave a sharp tongueN2expression
Example sentences2
祖父は口が悪いが、根はやさしい。
sofu wa kuchi ga warui ga, ne wa yasashii.
My grandfather is foul-mouthed, but he's kind at heart. neutral
彼、口が悪いけど、悪気はないんだよ。
kare, kuchi ga warui kedo, warugi wa nai n da yo.
He's foul-mouthed, but he doesn't mean any harm. casual