在他看来，这个人无疑是认真的。There was no doubt in his mind that the man was serious.你是认真的呢，还是有点胡闹？Were you serious, or was that a bit of tomfoolery?你准是在开玩笑。你是认真的吗？You're joking. Are you serious?...
Polio was then endemic among children my age.那时小儿麻痹症在我这个年纪的孩子中很常见。Street crime is virtually endemic in large cities.街头犯罪近乎是大城市的通病。He said that racism is endemic in this country.他说种族主义在该国很普遍....