滿ㄇㄢˇmǎnㄈㄨˋㄌㄠˊláoㄙㄠsāo

  1. 形容心情抑鬱一肚子怨言文明小史·》:知府起先滿腹牢騷不在他心如今漸漸平和下來。」

lit. belly full of complaints (idiom)​, discontent, always moaning and complaining
voller Missmut