“授权给”常见的英语表达有 authorize someone to do something 或 grant authority to someone ，也可简单表述为 give someone the authority to do something。以下为你分别举例：
例句：The board of directors authorized the manager to sign the contract on behalf of the company.（董事会授权经理代表公司签署这份合同。）
例句：The CEO granted authority to the project leader to make key decisions.（首席执行官授予项目负责人做出关键决策的权力。）
例句：The supervisor gave his assistant the authority to approve minor expenses.（主管赋予他的助手批准小额开支的权力。）