Truely fluent language can only be learnt on the ground in the native country.

真正流利的语言只有在本土实地才能学到。

youdao

Some usages are "prescribed," to be learnt and followed accurately; others are "proscribed," to be avoided.

一些被“规定的”用法，要准确地学习和遵循；另一些被“禁止的”用法，则要避免使用。

youdao

Lessons must be learnt.

教训必须被吸取。

youdao

And there's something to be learnt from the challenge of that experience.

而同时从这些挑战中,我也能学到很多东西。

普林斯顿公开课 - 人性课程节选

Again, content has to be conveyed, practice and application of what has been learnt is very important and third it's an opportunity to learn together and to learn from your peers.

同样，传达教育的内容，实践和运用所学的知识,是非常重要的,另外，这也为共同学习,和相互学习创造了机会。

麻省理工公开课 - 媒体、教育、市场课程节选

An inquiry has concluded "lessons should be learnt" after rubbish collections were disrupted by snow.

BBC: Household rubbish piled up outside a house in Cheltenham

"This is a very tragic case with a lesson to be learnt, " said Mr Howes.

BBC: Pills and bottle

Whether it is enough to reassure an insecure public that lessons will be learnt is another matter.

ECONOMIST: Banyan