一旦生病
In case of illness
以上为机器翻译结果，长、整句建议使用 人工翻译 。
一旦生病，谁来照看他们？
Once they are ill, who will look after them?
youdao
一旦生病，我们的亲戚、朋友会照看他们。
Once they are ill, my relatives and friends will look after them.
一旦生病就很难治疗，人们为了生存而不懈地斗争。
Diseases could not easily be cured, and there was a continuous battle for survival.
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