你必须学会怎样确立合乎逻辑的论点。

You must learn how to construct a logical argument.

《牛津词典》

你必须学会欣然承认失败。

You must learn to accept defeat with good grace.

《牛津词典》

你必须学会编筐子。

You must learn to weave baskets.

youdao

You have to learn, in other words, how to get your hands dirty. Between the innocence of the Christian and the worldliness of Machiavelli's new morality, there can be no reconciliation.

换句话说，你必须学会如何弄污你的手,在基督教的纯洁观与,马基雅维利新道德中的世俗观之间,没有任何回旋的余地。

耶鲁公开课 - 政治哲学导论课程节选

It's very easy to use. But something you really should master.

这个句型很容易就能学会，这也是你必须得掌握的一个句型。

When 课堂 - SpeakingMax英语口语达人