We'll have to work all the harder with two people off sick.

有两个人病了没上班，所以我们得加把劲干。

《牛津词典》

Since Mr. Bennett was going to need some time off work, he asked for a sick note.

因为本内特先生需要请假一段时间，所以他要求开一张病假条。

《柯林斯英汉双解大词典》

Sick employees don't just affect their own work; they infect coworkers who then need to take time off themselves. (or who come in sick and spread the germs further.)

病了的员工不但影响到自己的工作，还会把病传染给同事们，随后他们也要去请假，或者继续上班，传播更多的病毒。

youdao

Have they become stressed or been off work sick?

BBC: Jade Clark

Clark, who was site manager at the school, had been off work sick when he contacted a member of staff, saying he had personal possessions at the school that he needed access to, Norwich Crown Court heard.

BBC: Gavin Clark

Many were pensioned off as long-term sick or disabled rather than continuing to seek work.

ECONOMIST: The economy