it cannot be done, it is impossible, may not
- No ken go wantaim dok bilong yu long maket.
You can’t take your dog to the market. - No ken mekim planti toktok.
You may not talk too much. - No ken smok.
No smoking.
Tok Pisin (New Guinea Pidgin) English Bilingual Dictionary & Encyclopedia of Papua New Guinea
it cannot be done, it is impossible, may not