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.
口が滑る
kuchigasuberulet something slipN2expression
Example sentences2
気をつけないと、つい口が滑ることがある。
ki o tsukenai to, tsui kuchi ga suberu koto ga aru.
If you're not careful, you can let something slip without meaning to. neutral
酒を飲むと、口が滑るから気をつけて。
sake o nomu to, kuchi ga suberu kara ki o tsukete.
If you drink, things can slip out, so be careful. casual