汉译英在线翻译我很少吃甜食,因为它们对我的健康没有好处

I ate desserts once in a blue moon, because my health would not benefit from them.
once in a blue moon表示很稀少的意思,
诶...哈哈希望能帮到你啦.

I seldom eat sweet foods, because they bad for my health.

I seldom eat sweets,because they are not good for my health

I prefer not to eat desserts , because they do no good to my health.