Modifier + 的 + 关系
The noun 关系 (guānxì) means 'relationship,' 'connection,' or 'relevance.' It is one of the most versatile nouns in Chinese, used for interpersonal relationships, logical connections, and relevance to a topic. For example, 爱的关系 means 'a loving relationship.'
他们的关系一直都很好。
Tāmen de guānxì yìzhí dōu hěn hǎo.
Their relationship has always been very good.
这件事跟你没有关系。
Zhè jiàn shì gēn nǐ méiyǒu guānxì.
This matter has nothing to do with you.
保持良好的人际关系很重要。
Bǎochí liánghǎo de rénjì guānxì hěn zhòngyào.
Maintaining good interpersonal relationships is very important.