speed bump
Longman Dictionary of Contemporary English 5++LDOCE 5++ˈspeed bump (also speed hump British English) noun [countable] TTRa narrow raised area put across a road to force traffic to go slowly 减速垄，减速带 SYN sleeping policeman
Examples from the Corpus
speed bump• In the big picture, the Rams were nothing more than a speed bump on the road toward the Super Bowl.• Internet advertising, until recently flourishing, is hitting its first speed bump.• It stopped an admiring eye like a visual speed bump.ˈspeed bump nounChineseSyllable
area to road across a Corpus force narrow raised put a
speed bump
ˈspeed bump
(also ˈspeed hump British English) noun [countable]
a narrow raised area put across a road to force traffic to go slowly
SYN sleeping policeman
ˈspeed bump
(also ˈspeed hump British English) noun [countable]a narrow raised area put across a road to force traffic to go slowly
SYN sleeping policeman