to use a law in order to achieve something, or to mention something in order to explain something or to support your opinion or action

Police can invoke the law to regulate access to these places. 警方可以借助有关法律来约束人们进入这些地方。

to request help from someone, especially a god, when you want to improve a situation

Their sacred dance is performed to invoke ancient gods. 他们表演圣舞以祈求古代神灵保佑。

to make someone have a particular feeling or remember something