From now on, I must practise hard.

从现在开始，我必须刻苦练习。

youdao

Obviously, to the clever or the dull by nature, if they are determined to get praiseworthy achievements, they must study hard and practise more.

缦很显然，无论是天资比较聪明的人或走天资比较驽锐的人，如果他们决心要得到值得称违的成就，都必须勤学苦练才行。

youdao

And the dancers have to practise very hard every day in the dance studio.

并且得在舞蹈室日复一日的刻苦训练。

youdao

You practise hard to be in the last round in with a shout of winning.

BBC: Gallacher posts course record 63 at Celtic Manor

So it may find it hard to practise exactly what it preaches.

ECONOMIST: George Robertson, the new man for NATO

Older politicians in rural seats still practise trusted methods, securing a hard vote with hard cash channelled through a network of personal connections.

ECONOMIST: Japan