gǔ / dài / wén / xué / zhōng / cháng / yòng / yú / shuǐ / zhī / huān / wěi / wǎn / de / miáo / xiě / fū / qī / qīn / mì / guān / xì古代文学中常用“鱼水之欢”委婉地描写夫妻亲密关系。Ancient literature often used “鱼水之欢” as a euphemism for intimacy between spouses.