未经答应，禁止张贴广告，否则追究责任。的英文

unauthorized posters and advertisements will be persecuted

• 答应:    answer; reply; res ...
• 禁止:    prohibit; ban; for ...
• 张贴:    post; put up; post ...
• 广告:    advertisement; adv ...
• 否则:    otherwise; if not; ...
• 追究责任:    call to account; i ...