不亚于 Traditional form: 不亞於 Pinyin (reading): bùyàyú Definitions: no less than not inferior to Characters: 不 - no, not, un-; negative prefix 亚 - Asia; second 于 - at, in, on; to, from; alas! Traditional characters: 不 - no, not, un-; negative prefix 亞 - Asia; second 於 - at, in, on; to, from; alas!