This is the 720th most frequent Chinese word.
嚴重
Serious; severe.
In this sentence, '嚴重' means a significant or severe degree, describing the level of the mistake's impact.
這個錯誤非常嚴重，需要立即修正。
This mistake is very serious and needs immediate correction.
Here, '嚴重' refers to the severity of the illness, implying its impact on well-being is not very high.
他感冒了，但並不嚴重，休息一下就好了。
He has caught a cold, but it’s not severe and will get better with some rest.
This usage of '嚴重' indicates the high level of severity in the financial situation's consequences.