1 [U] the state of being completely sure about sth 肯定;毫无疑问:
We can't say with certainty that there is life on other planets.我们还不能肯定其他行星上有生命。 [OPP] uncertainty 反义词为 uncertainty
2 [C] something that is sure to happen 必然之事;必然性:
It's now almost a certainty our team will win the league.我们的队将赢得联赛,这差不多已经成了定局。
certainty/ˋsɝtṇtI; ˈsɜːtnti/n plural certainties 1 [U] when you are completely sure about something 确定﹐确实: with certainty She knew with certainty that he was lying. 她肯定他在撒谎。2 [C] something that is definitely true or will definitely happen 确定[确实]的事﹔必然发生的事: The job losses aren’t a certainty. 裁员的事没有确定。