Meaning 意味

must not; may not; cannot

How to use 使い方


Verb (て form)




Learn Japanese grammar: てはいけない (te wa ikenai) / てはいけません (te wa ikemasen). Meaning: must not; may not; cannot.

In spoken Japanese, the following may be used instead: ちゃいけない・じゃいけない (cha ikenai / ja ikenai)


1. 窓を開けてはいけない。

mado o akete wa ikenai.

Do not open up the window.

2. 嘘をついてはいけない。

uso o tsuite wa ikenai.

You must not tell lies.


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