Tom is careless in preparing his lesson.

汤姆准备功课不细心。

We have English lessons every other day.

每隔一天有英语课。

He felt a disinclination to take music lessons.

他无意上音乐课。

The Argentine debacle has important lessons to teach.

阿根廷提供重要教训。

I will inquire when to begin our lessons.

要去问一下什么时候开始上课。

We had a history lesson at school this morning.

今天早上在学校上一堂历史课。

Variety of methods helps to liven up a lesson.

教学方法多样化会使教学更加生动。

Is English an optional lesson, or does everyone have to learn it?

英语是选修课还是每个人必修课程？

He had some swimming lessons, and now he is good at swimming.

他上几次游泳课，现在他很擅长游泳。

We went to the Biology class instead of attending the English lesson.

去上生物课而不去上英语课。

T.S.Eliot took boxing lessons from an ex-pugilist in a toughish gym in Boston's South End.

TSE在波士敦城南一处设施简陋环境不堪体育馆中学习拳击,师从一位退役拳手.

It is a lesson to me.

这对是一个教训。

This lesson is divided into four units.

这一课分为四个单元。

He focused his mind on his lessons.

他把心思集中在功课上。

This lesson involves a lot of work.

这一课需要做工作有很多。

This lesson is impressed on my mind.

这个教训深印在脑海中。

German lessons were timetabled on Wednesday and Friday.

德语课被排在周三和周五。

This lesson adds to the value of the book.

这一课增加这本书价值。

The lesson was not clear and it has muddled me.

这一堂课不清楚，把给搞糊涂。

This is one of the most valuable lessons I learned.

这是所学到最宝贵教训。