His machine looks like a motorcycle with training wheels.

他发明的机器看起来像装了两个辅助轮的摩托车。

youdao

Writing a five-paragraph theme is like riding a bicycle with training wheels; it's a device that helps you learn.

五段论犹如在小孩子在学习骑脚踏车的时候，使用辅助轮，它是帮助人们学习的工具。

youdao

She may never remember this house. But I bet she’ll remember the day her dad spent running up and down the street holding on tight while she rode without training wheels.

或许，女儿会忘记我们的房子，但我相信她不会忘记那天，她的父亲紧紧地扶着她，在她还不能熟练地骑车的时候，陪着她在那条路上往返奔跑。

youdao

So, what we do at the start of the semester, and these are essentially training wheels we very quickly take off once you get more comfortable, we provide you with our own library.

那我们这学期初要做些什么呢？,经过一些必要的训练,让我们迅速褪去无知，变得更加充实，我们会提供自己的库。

哈佛公开课 - 计算机科学课程节选

Once you learn, the training wheels come off and you can't imagine not doing it.

CNN: Why I can't watch 3D TV

Ms. MURRAY: Because we're going from, you know, training wheels to training bras.

NPR: Ethical Balance of Adopting a 'Snowflake' Embryo

We must stay the course, they to say, by continuing to prop up asset prices until the training wheels can come off.

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