▲ get fat

发胖，长胖

☆ If you snack too much, you may get fat.

零食吃的太多，你会长胖的。

▲put on weight

发胖，长胖

☆ Eating too much meat will make you put on weight.

吃太多的肉将会使你发福。

▲ fill out

（很瘦的人）发胖，长胖；变丰满

☆ A girl may fill out before she reaches her full height.

女孩子在长足个头之前可能会发胖。

▲ bulk up

（使）加大，增加体重，变得健壮

☆ Strength training will make you bulk up.

力量训练会使你变的健壮。

▲ plump out

圆润，胖起来

☆ Her cheeks are beginning to plump out.

她的面颊开始变得圆润起来了。

怎样委婉的表达“胖”？

▲ chubby

胖乎乎的，圆胖的，可爱的胖

☆ I was born cherubic and chubby.

我出生时胖乎乎的，像天使般可爱。

▲ big-boned

骨架大

☆ She was a tall woman, and big-boned, but she appeared slight, and even boyish.

她是一个高挑个，骨架大的女人，但显得苗条甚至带点男孩子气。

▲ overnutrition

营养丰富的，营养过剩

☆ Overnutrition is associated with a sedentary lifestyle and the continuous availability of food in more affluent countries.

营养过剩则与久坐习惯及富裕国家中食物丰富有关。

那么"减肥"英文怎么说？

最常用的可以说

↓

lose weight

比如

I'm trying to lose weight these days, so I have to eat more vegetables.

我最近在减肥，所以不得不吃更多蔬菜。

还可以说

↓

slim down

也就是：变苗条点儿

比如

He's really slimmed down over the last few months.

他这几个月真的瘦了很多