zēng qiáng yǒu yì

strengthen bonds (of friendship)

The Chinese phrase '增强友谊' is used to refer to the act of making friendships stronger or more resilient. It implies nurturing relationships through mutual support, trust, and shared experiences, which helps in building a deeper connection between friends. This expression is often used in contexts where individuals want to emphasize the importance of solidifying their friendships, whether through communication, activities together, or emotional support.