(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
lit. to play the yu 竽 mouth organ to make up numbers (idiom); fig. to make up the numbers with inferior products / to masquerade as having an ability / token member of a group