a strong difference of opinion on a particular subject, especially about an official suggestion or plan or a popular belief

When the time came to approve the proposal, there were one or two voices of dissent. 在通过该项提案的时候，有一两个人表示不同意。

Compare: assent noun

in sports such as football and rugby, the offence of disagreeing with a decision made by a referee

Rooney was booked for dissent after the referee failed to award United a penalty. 裁判没有判曼联队获得点球，鲁尼表示异议，从而因不服裁判被记名警告。

to disagree with other people about something

Anyone wishing to dissent from the motion should now raise their hand. 不同意此项动议的人请举手。