(a) ~ (in sth) all agreeing on a decision or an opinion 一致同意的
*The villagers are unanimous in their opposition to the building of a bypass. 村民一致反对修建旁道.
(b) (of a decision, an opinion, etc) given or held by everybody （指决定、意见等）一致做出的, 一致通过的
*He was elected by a unanimous vote. 他以全票当选.
* The proposal was accepted with unanimous approval. 全体一致通过了那项建议.
[Date: 1600-1700; Language: Latin;Origin: unanimus, from unus 'one' + animus 'mind']
a unanimous decision, vote, agreement etc is one in which all the people involved agree
It was decided by a unanimous vote that the school should close.
The decision to appoint Matt was almost unanimous.
agreeing completely about something
unanimous in (doing) sth
The banks were unanimous in welcoming the news.
1. They were unanimous in asking for a pay rise. 他们一致要求加薪。