close in on

close in on的音标是[kləʊs ɪn ˈɑːn]，基本翻译是“逼近，接近”，速记技巧是“close”紧闭，“in”里面，“on”在上面。

Close in on的英文词源为：

- close：来自古英语 clāwian，意为“关闭，封闭”。

- in：表示“向……内，在……里面”。

- on：表示“靠近，接近”。

变化形式：

- 比较级：closer或closer in。

- 最高级：closest。

相关单词：

- approach：意为“接近，靠近”，其词源与close in on同源，都含有逐渐接近的意思。

- corridor：意为“走廊”，corridor这个词源于拉丁语corridus，原意是“围绕的通道”。

- enclose：意为“包围”，其词源与close in on同源，都含有将某物围住的意思。

举例来说，当描述一个物体逐渐靠近另一个物体时，我们可以用close in on这个词组。此外，在军事行动中，我们也可以使用这个词组来表示逐渐包围敌方阵地。这个词组的使用范围非常广泛，可以用于描述各种情况下的逐渐接近或包围。

常用短语：

1. close in on 接近，包围

2. close one"s eyes to 对……视而不见

3. close ranks 团结一致

4. close the door in sb"s face 在某人面前关门

5. close the book on sb 给某人画上句号

6. close one"s ears to 不听取

7. close the book on sb 给某人盖棺定论

双语例句：

1. The police closed in on the criminal and finally caught him.

警察接近了罪犯并最终抓住了他。

2. We should not close our eyes to the problems facing us.

我们不应该对面前的问题视而不见。

3. The soldiers closed ranks immediately after the battle.

战斗结束后，士兵们立即团结起来。

4. He closed the book on his father"s life when he turned 18.

他18岁时，就给父亲的一生画上了句号。

5. We must not close the book on our efforts to improve the environment.

我们不能对改善环境的努力轻言放弃。

6. They closed the door in our face when we asked for help.

我们请求帮助时，他们却把我们拒之门外。

7. The government has closed one chapter of history, but we must not close the book on future possibilities.

政府已经结束了历史上的一个篇章，但我们不能对未来的可能性轻言放弃。

英文小作文：

The End of an Era

As I look back on my childhood, I realize that a time has come to say goodbye to an era. I remember those carefree days when I was young, playing with my friends in the park, laughing and singing together. Those memories are precious and I will never forget them. However, now it"s time to move on and embrace a new era. I must not close the book on my past, but rather embrace it as a part of my history and use it as motivation to move forward. As I grow up, I will face new challenges and opportunities, and I will learn to adapt and overcome them. I will not be afraid of change, because it is what makes us stronger and more resilient. So, as I say goodbye to one era and embrace another, I will remember the past with gratitude and hope for the future with courage and optimism.