いけない

Japanese

must not (do, be); should not; ought not to

after the -te form of a verb or adjective

useless; no good; bad

hopeless; beyond hope

unfortunate; a shame; a pity

used to express sympathy

unable to drink (alcohol)

so as not to ...; so that ... (won't); in case ...; for fear that ...; lest ...

as ...（すると／しては）～（から／ので）

「風邪気味です」「それはいけませんね」

"I've a touch of a cold." "That's too bad."

このフロッピーをフォーマットしてはいけません。

You mustn't format this floppy disk.

道に迷うといけないから、地図をもって行きなさい。

Take a map with you in case you get lost.

This site uses the JMdict dictionary file. It is the property of the Electronic Dictionary Research and Development Group, and is used in conformance with the Group's licence (CC BY-SA 4.0). Example sentences come from the Tatoeba project and are licensed under CC BY 2.0 FR. All sources.