speed bump
US /ˈspiːd bʌmp/
UK /ˈspiːd bʌmp/
1.
a raised area across a road that is intended to make vehicles drive more slowly
:
•
Slow down, there's a speed bump ahead.
•
The car scraped the bottom on the large speed bump.
2.
an obstacle or difficulty that slows down progress
:
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The new regulations are a major speed bump for our project.
•
We hit a few speed bumps, but we're still on track.