Magician is not an easy job even when you have practiced over and over.

即使你反复练习，魔术师也不是一件容易的工作。

But teaching is no easy job at all.

但教学是不容易的工作在所有。

Popularizing the new method was not an easy job.

推广那个新方法不是一件容易的事.

Popularizing this new method was not an easy job.

推广这种新方法不是一件容易的工作.

The popularization of the new method was not an easy job.

推广那种新方法不是一件容易的工作.

Selecting a good one from considerable books is not an easy job.

从很多书中选择一本好的是一件不容易的工作。

It was no easy job for Liu Xiang to have done such a marvelous deed.

刘翔取得这样辉煌的成就是很不容易的.

As for the merits of his profession, Yan said, This is not an easy job.

谈到他工作的种种是非曲直，严说：“这份工作不容易。

And we ourselves also must understand that their achievement is not easy job.

我们自己必须理解他们的成就是不容易的。

To communicate with him is no easy job, as he is not a communicative person.

他是一个不爱说话的人，与他交流可不…