They acknowledge they will not be able to prevent similar practices in the future, but they are hopeful their study will promote changes for the better.

VOA: standard.2009.03.21

Those who profess to love the Union are not so anxious to preserve slavery, while those who are opposed to the war acknowledge in all their actions that its continuance will put an end to this accursed system.

那些宣称热爱联邦的人,并不急着想保存奴隶制,同时那些反战的人,他们以行动昭告天下,战争会持续到这种被人唾骂的制度结束

耶鲁公开课 - 美国内战与重建课程节选

Not to acknowledge your fault but rather to say if you have done something wrong.

你不是在承认自己的过失，而是询问自己是否做错了什么。

I'm sorry 课堂 - SpeakingMax英语口语达人

U.S.officials never acknowledge these strikes, saying they do not discuss operational or intelligence matters.

VOA: standard.2009.10.27

Allegations of voting irregularities are widespread and international monitors acknowledge they were not able to observe firsthand what took place in many provinces because of poor security.

VOA: standard.2009.08.22