HSK 7-9
哄堂大笑
hōngtáng-dàxiàothe whole room roaring with laughter (idiom)
相声包袱一响台下哄堂大笑。
Xiàng shēng bāo fu yì xiǎng tái xià hōng táng dà xiào.
The punch line sent the audience into uproarious laughter.
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Appears across levels (7-9) in the HSK 3.0 word list.