It's almost like if a person has multiple diseases, it's hard to get well, you might die, but if you only have one disease to deal with, you can get better.
这就像一个生病的人 被多种疾病缠身， 很不容易恢复健康，还有可能会死去， 但是如果你只需要和一种疾病抗争，就可能恢复得快。