我们必须在口语方面下苦功夫。

We must work hard at the spoken language .

youdao

为了掌握外语，我们必须下苦功夫。

We must work hard at a foreign language so as to master it.

youdao

学好英语不是轻而易举的事，谁都得下苦功夫。

There is no easy way to learn English well, you'll just have to work hard at it.

youdao

注意力是智慧的门户。要得惊人艺，须下苦功夫。

Attention is the portal of wisdom. Get the astonishing skill, must be hard.

youdao

注意力是智慧的门户。要得惊人艺，须下苦功夫。

Attention is the portal of wisdom. Get the astonishing skill, must be hard.

youdao