To swear was at first to make a solemn declaration.

最开始，swear的意思是庄严地声明。

youdao

This is a solemn declaration that we make.

这是一个来自我们的庄严宣告。

youdao

I make this solemn declaration conscientiously believing the same to be true.

本人特此声明所作之声明全部属实。

youdao

I make this solemn declaration conscientiously believing the same to be true.

本人特此声明所作之声明全部属实。

youdao