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1. Undertake：从事，着手，开始进行

Pursue： 从事于，致力于

Address：从事，忙于

例：

We’ll undertake the work for the time being.

我们将暂时从事这项工作。

Recently, the group pursued a study in behavior.

最近，这个小组正从事行为研究。

A snob addresses flattering people who is famous and wealth.

一个势利小人总是忙于拍那些名人或者有钱人的马屁。

2. Work on：继续工作，从事于

Take up：开始从事

例：

Experts are still working on inventing new methods of tracing criminal.

专家们仍然致力于发明一种追踪犯人的新方法。

He took up the teacher three years ago.

他三年前开始从事教师这个职业。

3. be occupied in：使忙碌于，使从事于

be engaged in：从事于，忙于

例：

To be occupied in what does not concern you is worse than doing nothing.

忙活一些与自己无关的事情，比无所事事还要糟糕。

If you are engaged in marketing in our company, you should end the relationship with your last department.

如果你想从事销售工作，就必须终止和原来的部门之间的关系。

4. Occupy oneself in：从事于

Employ oneself in：从事于，忙于

例：

It makes me feel great to occupy myself in painting.

从事绘画让我感觉很棒。

Employing himself in study, he missed the dinner.

忙于学习，他错过了晚饭。

5. Go into：从事

Go in for：参加，从事

例：

The mayor went into politics as a very young man.

市长在很年轻的时候就步入政坛了。

She has gone in for the nursing for eight years.

她从事护理工作已经八年了。

6. Be concerned with：从事于

Be busy with：忙于

例：

He was concerned with construction after graduation from university.

大学毕业后他就从事了建筑工作。

I really have no idea that what he is busy with.

我真的不知道他在忙什么。

7. Be bound up in：忙于

Be about：从事于

Go about：着手做，从事

例：

Being bound up in something is better than do nothing.

忙点什么总好过无所事事。

People who are about charity deserve our respect.

从事于慈善事业的人们值得我们尊敬。

The capper went about lying people to get money.

托儿们靠欺骗人们来挣钱。