the lion's den

Meaning

1. a difficult situation in which you have to face a person or people who are unfriendly or aggressive towards you

In the movies · 3

• Right in the heart of the lion's den.The Pianist2002
• ...even if I have to walk right into the lion's den.Wedding Crashers2005

From the same entry

• the lion's share
• to beard the lion in his den