長於

to be adept in / to excel at

surname Yu / Taiwan pr. [Yu2]

(literary) Oh! / Ah!

(of time or place) in; at; on / (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for / (indicating a source) from; out of / (used in comparison) than / (used in the passive voice) by

length / long / forever / always / constantly

chief / head / elder / to grow / to develop / to increase / to enhance