2. take off 起飞to leave the ground and to up into the air.

The big plane took off easily. 那架大飞机很容易地起飞了。

1）take off 还有"拿下，脱下"等意义。如：

I can't take off the lid it's stuck! 这盖子给卡住了，我拿不下来！

You must take off your hat when you go inside.

2）take 的常见短语:

take against 不喜欢，不赞成

take apart 拆卸，拆开，打败，击败

take back 接回，收回，归还

take down 放下，拿下，记下，拆除

take for 把......当作，把......误认为

take for granted 想当然，信以为真

take in 接纳，吸收。收留

take off 脱下，拿掉，起飞，取消

take on 穿上，戴上，呈现，采用，

take over 接管，占领，取得主导地位

take up 拿起，抬起，搭载，吸收，开始发生兴趣，着手处理，占用

3. major adj. 较重要的，较严重的

greater when compared with others in size ,number ,importance or seriousness. There are always traffic jams on major roads on Monday mornings . The car needs major repairs. 1）同义词：

chief adj. 首要的； main adj 主要的 2）反义词：

minor adj. 次要的，较小的； unimportant adj. 不重要的

3）major 在句中常作定语，没有比较级，也不可与than连用。如

The major problem has not been discussed at today's meeting.

4. maximum adj. 最大的，最多的being or having the largest amount or number; the greatest or most complete or best possible .

The maximum number of students in each class is thirty. 每班学生最多30人。

拓展maximum的反义词为minimum ,意为"最小的，最低的"。如：

What's the minimum price? 最低价是多少？

maximum和minimum 都没有比较级和最高级的形式，但它们表达的是最高级的意义，修饰名词时，前面要用定冠词the ,如：

The is a maximum weight the bag will hold.(×)

That is the maximum weight the bag will hold .（√） 那是这只袋子所能装载的最大重量。

5. anxious adj. 忧虑的，担心的 worried, uneasy

She had an anxious hour of waiting for her child and was getting even more anxious. 她焦急地等待她的孩子已有一个钟头，并且愈等愈着急。 1）be anxious about 为......担心。如：

Parents are always anxious about their children's safety when the children are out . 2）be anxious for 渴