Mind you, this is not an easy task.

请注意，这不是一个简单的任务。

Catering for a hundred guests is no easy task.

为一百位客人提供餐饮服务并不是一件容易的事。

Persuading him to change his mind was not an easy task.

说服他改变主意并不是一件容易的事。

Reversing the decision was not an easy task for the committee.

对委员会来说，反转这个决定并不容易。

Inferring the solution from the given clues was not an easy task.

从给定的线索中推断解决方案并不是一件容易的事。

The prevention of this type of fraud is no easy task.

防止这类欺诈绝非易事。

Still, while every parent would like to be patient, this is no easy task.

尽管每个父母都想保持耐心，但这并不是一件容易的事情。

And that is no easy task.

而这并非易事。

But it hasn't been an easy task.

但是事情没那么简单。

Pulling one-ton sleds is no easy task.

拉着成吨的雪橇参赛并不容易。