这家餐厅有着最严格的着装要求，男士必须穿西装。

This restaurant has the ___strictest dress code—men must wear suits.

请按照最严格的标准来执行这项任务。

Please carry out this task according to the ___strictest standards.

这所学校有着最严格的行为规范。

This school has the ___strictest code of conduct.