aver

1. V-T If you aver that something is the case, you say very firmly that it is true. 坚称[正式]

He avers that chaos will erupt if he loses. 他断言如果他失败将会爆发动乱。

"Entertaining is something that everyone in the country can enjoy," she averred. “娱乐是每个国民都能享受的事，”她肯定地说。