People no longer worry sick of time have no money to see a doctor, time Be getting older old have no depend on.

人们不再担心生病的时候没钱看病，老了的时候老无所依。

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I began to worry because I didn't want to get sick or die.

我开始担心，因为我不想生病或死亡。

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Why worry yourself sick?

何苦自寻烦恼？

《新英汉大辞典》

But people may worry about getting sick from blowing into a stranger's mouth.

VOA: special.2009.06.09

They worry about close contact with others who may be sick.

VOA: special.2009.07.14

Financial markets worry themselves sick over the plight of homeowners and the unemployed, but time solves these issues.

FORBES: Magazine Article

Undocumented workers are the most competitive of all, because employers don't need to worry about sick pay, holidays or the minimum wage.

ECONOMIST: Illegal immigrants

And to know that it's a disease that you can prevent just by eating more fruits and vegetables and getting exercise, wouldn't you guys -- don't you guys think it would be easier to eat right and run around than to be sick and have to worry about your health?

WHITEHOUSE: Take Our Daughters and Sons to Work Day 2012