事不关己,高高挂起

shì bù guān jǐ , gāo gāo guà qǐ

to feel unconcerned and let matters rest (idiom)

shì

matter

no; not so

guān

mountain pass

self

,

gāo

high

gāo

high

guà

to hang; to suspend (from a hook etc)

to rise