fēng​mǎ​niú​bù​xiāng​jí

totally unrelated

Senses

风马牛不相及/ 風馬牛不相及 fēng​mǎ​niú​bù​xiāng​jí totally unrelated

to be completely irrelevant to one another; used to describe two things that have absolutely nothing to do with each other

References

variant 风马牛不相及/風馬牛不相及 风马牛不相干/風馬牛不相干
variant 风马牛不相及/風馬牛不相及 风马牛不相关/風馬牛不相關