1. to denounce a treaty, pact, agreement, or the like 通知废止条约、契约、协议等
2. They tried to denounce this activity. 他们试图谴责这种行为。
3. I denounce his silence on this matter. 我谴责他对这件事情的沉默。
英英解释
v.
1. speak out against
2. to accuse or condemn or openly or formally or brand as disgraceful
3. announce the termination of, as of treaties
4. give away information about somebody