Mona was under restriction at that time, no visitors.

那时候对梦娜有限制 不能探访。

Under the new measures, areas in the country are classified as medium, high or very high risk, and placed under restrictions of varying severity.

根据最新措施，英国地区被划分为中、高或极高风险区，（不同级别）受到不同程度的限制。