虎穴 (hǔ) — tiger's den; a dangerous or risky place

Definition

Examples

• 探险队深入虎穴，寻找珍稀药材。
  Tàn xiǎn duì shēn rù hǔ, xún zhǎo zhēn xī yào cái.
  The expedition went deep into the tiger's den to find rare medicinal herbs.
• 那个地方是犯罪分子的虎穴，非常危险。
  Nà ge dì fāng shì fàn zuì fèn zǐ de hǔ, fēi cháng wēi xiǎn.
  That place is a den of criminals, extremely dangerous.
• 不入虎穴，焉得虎子，要想成功必须冒险。
  Bú rù hǔ, yān dé hǔ zǐ, yào xiǎng chéng gōng bì xū mào xiǎn.
  Nothing ventured, nothing gained; to succeed you must take risks.