A rise in interest rates would severely retard economic growth.利率提高会严重阻碍经济发展。
retard
noun[ C ]offensiveuk/ˈriː.tɑːd/us/ˈriː.tɑːrd/
智力迟钝者;弱智;笨蛋
a word for a person with a learning disability (= a condition that can have an effect on someone's ability to learn easily), which was used by doctors in the past but is now extremely offensive