làn yú chōng shù
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
làn yú
indiscriminately included in company (without any qualification)
see 濫竽充數|滥竽充数[lan4 yu2 chong1 shu4]