1. 表示;意味着;意思是
If an event, a sign, or a symbol signifies something, it is a sign of that thing or represents that thing.
e.g. The contrasting approaches to Europe signified a sharp difference between the major parties...
对欧洲截然不同的态度表明两大政党间存在巨大差异。
e.g. The symbol displayed outside a restaurant signifies there's excellent cuisine inside.
餐馆外的招牌表明里面有美味佳肴可以享用。
2. (用记号或手势)表明，表达，表示
If you signify something, you make a sign or gesture in order to communicate a particular meaning.
e.g. Two jurors signified their dissent...
两名陪审团成员表示了异议。
e.g. The UN flag was raised at the airport yesterday to signify that control had passed into its hands.
昨天机场升起了联合国的旗帜，表明控制权已移交给联合国了。