如果她们不开心，对于父母来说就是最大的难题。”她说。

And if they're unhappy, then there is nothing more difficult for parents," she said.

youdao

在我们遇到了难题以后，我们还在总冠军的争夺行列中，我很开心，我们表现出来了我们可以回归，在每一场比赛中争夺胜利（的能力）。

We are still in the championship. I am pretty happy, even with the difficulties we had. We showed we can come back and fight for wins at every race.

youdao

解决一个棘手的难题能让我们很开心，但我们可不能为了开心而开心。

Solving a knotty problem can help us be happy, but we don't have to be happy to feel good.

youdao

解决一个棘手的难题能让我们很开心，但我们可不能为了开心而开心。

Solving a knotty problem can help us be happy, but we don't have to be happy to feel good.

youdao