Obese people tend to have higher blood pressure than lean people.

　　胖人常常比瘦人血壓高。

　　The tendency to become obese is at least in part hereditary

　　發(fā)胖至少有一部分是源于遺傳。

　　The old man is really obese; it can't be healthy.

　　那位老人確實過于肥胖了，不能算是健康。

　　Teachers are up against some major problems these days.

　　老師們最近面臨著一些重大問題。

　　Everyone experiences these problems at some time in their lives.

　　每個人在人生的某個階段都會經(jīng)歷這些問題。