acknowledge that...
承认某事（常用于正式或书面语）
She acknowledged that she had made a mistake.
她承认自己犯了一个错误。
acknowledge receipt of...
确认收到（某物，如信件、文件等）
Please acknowledge receipt of this email by replying.
请回复此邮件以确认收到。
acknowledge someone (as...)
承认某人的身份、地位或成就
The award acknowledges her as a leading scientist.
该奖项认可她为一位顶尖科学家。
acknowledge responsibility
承认责任
The company finally acknowledged responsibility for the data breach.
该公司最终承认对数据泄露负有责任。
acknowledge a debt / contribution
感谢某人的贡献或帮助
He acknowledged the team’s contribution to the project’s success.
他感谢团队对项目成功的贡献。
refuse to acknowledge
拒绝承认
He refused to acknowledge his defeat in the election.
他拒绝承认自己在选举中落败。