the lion's share
The largest part or portion of something. The lion's share of the credit must go to our development team, who have worked tirelessly to bring this product to market before the holiday season. Even though we're all talented, it's always our youngest brother who gets the lion's share of our parents' praise and attention.
lion's share of something
Fig. the largest portion of something. I earn a lot, but the lion's share goes for taxes. The lion's share of the surplus cheese goes to school cafeterias.