write + not… and
kaka nakute
not… and; because (one) doesn't
朝、目覚ましが鳴らなくて、遅刻しちゃったよ。
asa, mezamashi ga naranakute, chikoku shichatta yo.
My alarm didn't go off this morning, so I ended up late. casual
質問の意味が分からなくて、もう一度聞き返した。
shitsumon no imi ga wakaranakute, mou ichido kikikaeshita.
I didn't understand the question, so I asked again. neutral