The cherry on the cake phrase informal
Used to indicate an additional advantage or positive aspect of something that is already regarded positive or useful.
Jack's very happy because he has a chance to participate in the swimming competition. If he wins, it will be the cherry on the cake.
This apartment has all the modern conveniences, and the beautiful view from 60th floor is the cherry on the cake.
There can be good aspects that exist in a bad situation.
To lose the skill or advantage one used to have in the past
To gain an advantage over someone by doing something before them
Completely dark, without any light or color
I'm scared of the basement! It's as black as a skillet!