瓦釜雷鸣 wǎfǔ-léimíng

[mediocre people are in power;can be compared to earthen pots making a lot of noise instead of the classical bells] 瓦锅发出很大的声响,比喻庸人煊赫一时(见于《楚辞·卜居》:“黄钟毁弃,瓦釜雷鸣。”)