Don't change sentences that are correct. You can, instead, submit natural-sounding alternative translations.

Source: Tatoeba

Lightning-prone area: please do not climb

Source: Tatoeba

Don't add sentences from copyrighted sources.

Source: Tatoeba

Make a good translation of the sentence that you are translating. Don't let translations into other languages influence you.

Source: Tatoeba

Don't add annotations.

Source: Tatoeba

For the sake of living things, please do not play around with the water.

Preserve life; please don't waste water.

Source: Tatoeba

Do not fold!

Source: Tatoeba

Please mind your belongings.

Please do not forget your belongings.

Source: Tatoeba

Don't forget that animals sometimes can be human-like.

Source: Tatoeba

Don't touch the exhibits.

Do not touch the exhibits.

Source: Tatoeba