龍潭虎穴 (lung4 taam4 fu2 jyut6) — dragon's pond and tiger's den in Cantonese
lungˎ₄龍taamˎ₄潭fuˊ²虎jyutˍ₆穴简 龙潭虎穴
Mandarin Pinyin: long2 tan2 hu3 xue2
Meaning of 龍潭虎穴
noundragon's pond and tiger's den
nounperilous place; dangerous spot
nouna lion's den, an extremely dangerous place