Raising the Bar

Meaning 1
Track and Field Sports: Raising the bar for high jumpers, for horses, or for track runners makes it more difficult. Lowering the bar makes it easier.
Sentence 1
The horses have to work harder jumping over those new bar heights.
Meaning 2
To make the job or decisions more difficult
Sentence 2
The Supreme Court raised the bar in a decision making it more difficult to show worker discrimination.