十人十色

Etymology
lit. '10 people, 10 colors'.

Pronunciation

 * うにんいろ [júꜜùnìǹ tóꜜìrò] (Atamadaka + Atamadaka — [1] + [1])

Idiom

 * 1) to each his own; different strokes for different folks; there's no accounting for taste