Describes someone who is sharp-tongued, thick-skinned, and lacks genuine knowledge or talent.
他总是对别人的努力评头论足，却没有自己的实际贡献，真是嘴尖皮厚腹中空
He always criticizes others' efforts but makes no real contribution himself, truly someone who is sharp-tongued, thick-skinned, and lacks genuine substance.
Era:
Modern
Frequency:
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