Overstep the acceptable standard of behaviors. 超过别人能忍受的行为?
Surroundings or services deemed necessary for an acceptable standard of living. 舒适环境，舒适服务舒适生活所必需的环境或服务
Air quality is still within acceptable standards. 空气质素仍符合可接受标准。
His behaviour falls short of accepted standards. 他的行为没达到公认的标准。
Even if the range of your Chinese vocabulary is limited, they would respect and appreciate you more if you speak to them in Mandarin with an acceptable standard. 就算你的华语词汇有限，如果你使用可被接受的华语水平和他们交谈的话，他们将会更尊敬、更欣赏你。