allay 的意思是缓解、平息。

 

The British government is planning to announce liberalization of residency rules for European nationals in Britain to allay concerns about their status should Britain leave the European Union without a deal. 英国政府正计划宣布对在英国的欧洲国民放开居住规定，以减轻在英国无协议脱欧的情况下这些人对自己身份的担忧。