Definition: A serious problem or situation is bad and makes people worry. Level: B1
没有严重受伤的报告。
There were no reports of ___serious injuries.
新税法让一些较小的公司陷入严重困境。
The new tax regulations have landed some of the smaller companies in ___serious trouble.
空间不足已成为许多学校的一个严重问题。
A shortage of space has become a ___serious problem in a lot of schools.
