英文: Acknowledge them.
中文: (主动)向他们打招呼。英文: The people don't acknowledge this.
中文: 人们没有意识到这点。英文: He is unwilling to acknowledge defeat.
中文: 他不愿认输。英文: You must always acknowledge your sources.
中文: 你需要一直注明所使用资料的出处。英文: Acknowledge your successes along with your downfalls.
中文: 坦然对待成功和失败。