"To repeat or confirm something to someone" 可以用英文表达为 "to reiterate" 或 "to confirm".

"To reiterate" 来自拉丁语 "reiterare"，意思是重申、再三强调。它常用于表示重申观点、解释、建议或要求。例如：

I just wanted to reiterate my point that we should consider all options before making a decision. (我只是想再次强调我们应该在做决定之前考虑所有选择。)
The teacher reiterated the importance of punctuapty. (老师再次强调了准时的重要性。)

"To confirm" 来自拉丁语 "con-firmare"，意思是使更确定、使更坚定。它常用于表示确认事实、确认安排或确认信息是否正确。例如：

Can you confirm your attendance at the meeting on Friday? (你能确认你会在周五的会议上吗？)
The test results have been confirmed to be positive. (测试结果已被证实为阳性。)