なくてはいけない
Meanings
Expression
1. cannot do without something; indispensable; absolutely necessary (Usually kana)
2. have to do (Usually kana, after negative base of verb)
Other spellings
無くてはいけない
Kanji in other spellings
Examples63
君
Now that you are grown-up, you ought to know better.
大学
You have to go to college for four years.
もう
It's high time you were in bed.
君
You have to learn standard English.
まず
I must finish this work first.
眼鏡
You have to adjust your glasses to your eyes.