Xiǎoxiānròu zài huǒ yě huǒ búguò lǎolàròu de yǎnjì.
However popular 'fresh meat' stars get, they can't beat the acting chops of the 'seasoned meats.'
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culture
Coined as the mirror image of 小鲜肉 ('little fresh meat,' a young heartthrob). 腊肉 is cured pork - preserved, flavorful, made to last - which is the flattering read of the joke.