无关 | wú guān | unrelated / having nothing to do (with sth else) | |
两回事 | liǎng huí shì | two quite different things / two unrelated matters | |
风马牛不相及 | fēng mǎ niú bù xiāng jí | to be completely unrelated to one another (idiom) / irrelevant | |
非亲非故 | fēi qīn fēi gù | lit. neither a relative nor a friend (idiom) / fig. unrelated to one another in any way | |
没有联系 | méi yǒu lián xì | to be unrelated | |
衍声复词 | yǎn shēng fù cí | compound word such as 玫瑰[mei2 gui1] or 咖啡[ka1 fei1], whose meaning is unrelated to the component hanzi, which often cannot be used singly |