ob-,在上，表强调，-es,吃，词源同edible,eat.即吃多了，引申词义肥胖的。

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

那位老人确实过于肥胖了, 不能算是健康.

2. Being obese and lazy is dangerous to health.

又胖又懒危害健康.

3. For many obese people, that is a welcome start.

对许多人来讲, 那可是个受欢迎的开端.

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

胖人常常比瘦人血压高。

5. The tendency to become obese is at least in part hereditary.

发胖至少有一部分是源于遗传。