几经磨难，我们才明白这个道理。

Your father and I learned this the hard way.

youdao

法海寺壁画有着曲折的历史，几经磨难才保存至今。

Fahai Temple murals with the twists and turns of history, preserved only several ordeal.

youdao

在善良的小白鼠的帮助下，他几经周折与磨难，终于找到了秘密地图。

In mice with the help of kind-hearted, he and suffering after several twists and turns, finally found the secret map.

youdao