她一次又一次地节食，但是没有一次成功。

She went on one diet after another, but none of them worked.

youdao

我曾经节食过好几次，但没有一次成功，最后体重反而增加。

I tried several diets, but none worked, and I ended up gaining weight.

youdao

在移动了5,500英里之后，这对夫妇拜访了加利福尼亚的专家并尝试了4轮的人工受精治疗，但没有一次成功。

After the 5, 500 mile move, the couple visited experts at California and they tried four cycles of artificial insemination, but none of those worked.

youdao