[zhāo yōng xī sūn]   

朝    饔    夕    飧    指才疏力薄，除吃饭外别无所能。

朝饔夕飧，成语， 作谓语、定语，指才疏力薄，除吃饭外别无所能。出自: 明·李东阳《后东山草堂赋》：“吾侪细人，朝饔夕飧，观山而不穷其巅，望海而不极其源。”

Breakfast in the morning and dinner in the evening -- said of one who has nothing to do but eating

朝闻夕死    朝成暮徧    朝乾夕愓    朝朝暮夕    朝衣东市