created sense approved 半瓶水响叮当/半瓶水響叮噹 · bànpíngshuǐxiǎngdīngdāng · empty vessel
半瓶水响叮当 / 半瓶水響叮噹
bànpíngshuǐxiǎngdīngdāng
empty vessel
One who has only a little knowledge but likes to show off, while truly knowledgeable people remain modest.
他只学了点皮毛就到处吹嘘，真是半瓶水响叮当。