Lion's

IBM has the lion's share of the large computer market; nobody else even comes close.

You always take the lion's share!

John took the lion's share of the lottery winnings; he claimed it was his idea to buy the ticket in the first place.

A good surgeon has an eagle's eye, a lion's heart, and a lady's hand.

These days, "the lion's share" usually means "the biggest share"; but not so long ago, it meant "all of it."

He betook himself to the lion's den.

He put himself into the lion's den.

He entered the lion's den.

He walked into the lion's den.

He stepped into the lion's den.