If you acknowledge someone, for example, by moving your head or smiling, you show that you have seen and recognized them. (点头或微笑) 向…致意
adjective [原级] 公认的；被普遍认可的
The country acknowledged his claim to the throne. 这个国家承认了他继承王位的权利。
verb [vt. 及物动词] 承认；答谢；告知已收到；搭理（acknowledge 的过去式和过去分词）
He acknowledged the sense of betrayal by civil rights leaders. 他承认自己有被民权领袖出卖了的感觉。
