Definition (怀孕)
to cause a woman to become pregnant
让某人怀孕
They just started dating, and he knocked her up soon after.
他们刚开始约会，不久后他就让她怀孕了。
The movie tells the story of a young man who accidentally knocked his girlfriend up.
这部电影讲述了一个年轻人不小心让女友怀孕的故事。
People are talking about the couple, saying that they knocked each other up.
人们在谈论这对情侣，说他们让彼此怀孕了。