ㄇㄧㄥˊmíngㄅㄨˋㄈㄨˊˊshí

  1. 虛名不當實際如果冷氣公車』,行駛卻又不開冷氣豈非名不符實?」名不副實」、名不當實」。

the name does not correspond to reality (idiom)​; it doesn't live up to its reputation