These mice ended up getting sick a lot, and needed to eat much more than normal mice with intestinal bacteria in order to gain weight.

结果是，这些基因变异的老鼠不仅经常生病，而且要比正常老鼠吃更多才能长肥。

youdao

The staff called in sick a lot or simply quit.

其他工作人员经常请病假或者干脆辞职。

youdao

Employee: Yeah well, my mother gets sick a lot.

雇员：是啊，我妈经常病。

youdao

That was evidence,Emperor Norton said, that John Brown was mentally sick and should have been put in a hospital for treatment.

VOA: special.2009.12.14

It's a long-term plan, which can go wrong if you get sick and die in your early 20s.

这是长期的计划，若你在二十几岁生病死去它就会出错。

耶鲁公开课 - 死亡课程节选

I could believe in demons and say, "Why does a person get sick and die?

我可以相信存在魔鬼,然后说,人为什么会生病和死亡

耶鲁公开课 - 死亡课程节选

Psychologists at the University of Manchester Institute of Science and Technology, who carried out the study, found that victims tended to take seven days off sick a year more than those who had not been bullied.

BBC: Bullying at work 'costs millions'

Current absenteeism rates show a startling 17 sick days a year, two-and-a-half times greater than the private sector figure.

ECONOMIST: British Airways

So a pandemic that will make a lot of people sick over a long period of time is something to worry about.

ECONOMIST: Avian influenza