speed bump

US /ˈspiːd bʌmp/
UK /ˈspiːd bʌmp/
"speed bump" picture
1.

减速带, 减速坡

a raised area across a road that is intended to make vehicles drive more slowly

:
Slow down, there's a speed bump ahead.
减速,前面有减速带
The car scraped the bottom on the large speed bump.
汽车在大减速带上刮到底了。
2.

障碍, 困难

an obstacle or difficulty that slows down progress

:
The new regulations are a major speed bump for our project.
新规定是我们项目的一个主要障碍
We hit a few speed bumps, but we're still on track.
我们遇到了一些障碍,但我们仍在正轨上。