Dictionary / Vocabulary / 行かなくては
いかなくては · also いかなくちゃ
I've got to be going; I must go
Also written 行かなくちゃ
友人と約束があるので行かなくてはなりません。
I have to go off because I have an appointment with a friend.
僕はもう行かなくちゃ。
I've got to go now.
大学へは4年間行かなくてはいけない。
You have to go to college for four years.