历史上有很多对国家忠诚的英雄。

Lìshǐ shàng yǒu hěn duō duì guójiā zhōngchéng de yīngxióng.

There have been many heroes in history who were loyal to their country.

他对公司一直很忠诚，从来没想过跳槽。

Tā duì gōngsī yìzhí hěn zhōngchéng, cónglái méi xiǎng guò tiàocáo.

He has always been very loyal to the company and has never thought about changing jobs.

在婚姻中，忠诚和信任比什么都重要。

Zài hūnyīn zhōng, zhōngchéng hé xìnrèn bǐ shénme dōu zhòngyào.

In marriage, loyalty and trust are more important than anything else.