lion
beard the lion in his den: seebeard.
the lion's den a demanding, intimidating, or unpleasant place or situation.
the lion's mouth a place of great peril.
the lion's share the largest part of something.
2010Guardian It's widely reported that Hungary is getting the lion's share of EU grants in the region.
throw someone to the lions cause someone to be in an extremely dangerous or unpleasant situation.
☞ In ancient Rome, Christians and other religious or political dissidents were thrown to the lions in the arena to be killed.
twist the lion's tail: seetwist.