孤 立 gū lì to isolate / isolated / unrelated / irrelevant 无 关 wú guān unrelated / having nothing to do (with sth else) 八 竿 子 打 不 着 bā gān zi dǎ bù zháo (coll.) unrelated / lacking any connection 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 鳅 loach (family Cobitidae) / used in 鯕鰍|鲯鳅[qi2qiu1] (mahi-mahi, a fish unrelated to the loaches) 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[mei2gui1] or 咖啡[ka1fei1], whose meaning is unrelated to the individual characters (Note: These characters are often not used independently in modern Chinese.)
qiū