迴伏难 (迴伏難) huí fú nán

huí fú nán phrase the misfortune of a whirlpool; the misfortune of Saṃsāra
Domain: Buddhism 佛教
Notes: In this context 迴伏 means 洄澓 'whirlpool', which is a reference to 輪迴 'Saṃsāra', and 難 means 災難 'misfortune' (FGDB '迴伏難')