Surgically removing visceral fat has been done on animals and some humans experimentally, but it is far more difficult and isn't likely to be a weight-loss option anytime soon.

通过手术减少腹部脂肪的做法有过动物和人体试验，但技术难度很高，近期不太可能成为减肥的方法。

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And that makes weight loss progressively more and more difficult on a standard low calorie diet.

正因为此，人们往往会发现在坚持标准的低热量饮食时，减肥变得越来越困难了。

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Secondly, losing weight too quickly when you don't have a significant amount of weight to lose can result in muscle loss as well as fat loss, which can decrease your metabolism and make it more difficult to maintain your weight loss.

CNN: Is it possible to lose 15 pounds in one month?

It is difficult to "troubleshoot" your weight loss efforts without more information, but your struggle brings up a couple of important points.

CNN: I'm exercising; why can't I lose weight?