こけつ
lion's den; very dangerous place or situation; tiger's den
Noun
虎穴こけつに入はいらずんば虎子まるを得えず。
Nothing ventured, nothing gained.
虎穴こけつに入はいらずんば、虎子まるを得えず。
諺ことわざにもある通とおり「虎穴こけつに入はいらずんば虎子まるを得えず」だ。
As the saying goes, "Nothing ventured, nothing gained."