Grammar Point
じゃいけない
Meaning
must not
Pronunciation
Slow Speed
Natural Speed
Usage
A way of saying prohibition or regulation.
It is said by a teacher to a student, by a parent to a child, or by a parent to a child to indicate a public rule.
“てはいけませんか” is a request for permission in the same way as “てもいいですか,” but it is said in a more reserved manner.
In spoken language, “ちゃいけない” and “じゃいけない” are used.
Connection
Vては + いけない
イAdjくては+ いけない
ナAdjでは + いけない
Nでは + いけない
Example Sentence1
お酒を飲んじゃいけない。
Slow Speed
Natural Speed
You must not drink alcohol.
osake o nonja ikenai
お酒 (おさけ, osake) = alcohol 飲む (のむ, nomu) = drink いけない (いけない, ikenai) = must not
Example Sentence2
ここで靴を脱いじゃいけない。
Slow Speed
Natural Speed
You must not take off your shoes here.
koko de kutsu o nuide ja ikenai
ここ (ここ, koko) = here 靴 (くつ, kutsu) = shoes 脱ぐ (ぬぐ, nugu) = take off いけない (いけない, ikenai) = must not
Example Sentence3
この川で泳いじゃいけないよ。
Slow Speed
Natural Speed
You must not swim in this river.
kono kawa de oyoid ja ikenai yo
この (この, kono) = this 川 (かわ, kawa) = river 泳ぐ (およぐ, oyogu) = swim いけない (いけない, ikenai) = must not よ (よ, yo) = (casual emphasis particle)
Similar Expressions
てはいけない