龙潭虎穴

lóngtánhǔxué

a dragon's pool and a tiger's den— a danger spot

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a extremely dangerous place

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a extremely dangerous place

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龙潭虎穴

lóng tán hǔ xué

a chasm for dragon to hide or a cave for tigers to have their lair; a dragon's pond and a tiger's cave -- dangerous places; a dragon's pool and a tiger's den -- a danger spot; a hazardous spot; dragon's watery lair and tiger's den; in the fens of dragons and the dens of tigers; mountain fastness; the pools where dragons are and the dens where tigers live