speed bump

柯林斯词典

1. N-COUNT A speed bump is something that stops a person or thing from progressing. 制約(人或事)發展的障礙
It was little more than a speed bump – a minor distraction during my day. 那衹不過是個小挫折——我一天中無足輕重的小煩惱。
2. N-COUNT A speed bump is a raised part in a road that is designed to make the traffic travel more slowly. (橫置馬路上用於防止車輛行駛過快的)路麪減速裝置