No entrance without a permit.

没有许可证不准入内。

《新英汉大辞典》

You can't work here without a permit.

你如果没有许可证，就不能在这里工作。

youdao

You cannot enter a military base without a permit.

无通行证不得擅入军事基地。

youdao

The letters say the companies cannot perform their gene scans on New York residents without a permit.

FORBES: Magazine Article

Miami-Dade Transit has said it does not allow singing, dancing or playing a musical instrument without a permit.

BBC: US mayor 'sorry' elderly woman removed from train

Mr Bush is suspected of misusing of a government credit card and importing explosive devices without a permit.

BBC: Cayman Islands' leader McKeeva Bush