Now I study 20 hours each week and sometimes I have an extra lesson.

现在我每周学20个小时的英语，有时候还会更多。

youdao

He is really nice to me and sometimes give me an extra lesson at spare time.

他对我很友善，有空的时候还给我开小灶上课。

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Teachers say that they give individual help at the end of a lesson or after school, setting extra work if necessary.

教师们表示，他们会在课程结束或放学后给予个别学生另外的辅导，必要时还会安排额外的作业。

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But it is unclear whether the army and its civilian backers have learned the old lesson that coups and extra-constitutional excursions tend to make political crises worse and do not produce good government.

ECONOMIST: Heading for uncertainty

She said the slowness of the equipment made teachers question if it it is "actually worth planning a lesson and using these kind of facilities due to the extra problems that it will throw up".

BBC: Caroline Bowker

Better still, battery life didn't seem to take a hit even with the extra performance, though high-end, high-res gaming was still a lesson in futility when working without a discrete graphics card.

ENGADGET: Intel's Arrandale and Clarkdale CPUs get benchmarked for your enjoyment