This is not an easy thing to do.

现在这并非易事。

youdao

To master a language is not an easy thing.

掌握一门语言不是一件容易的事情。

youdao

To catch the success is not an easy thing.

把握成功并不是一件容易的事。

youdao

It is not an easy thing to do.

VOA: special.2009.06.29

Simulating a major fire on an oil rig for training purposes is not an easy thing to do.

ECONOMIST: Virtual reality

"We acknowledge that this is not an easy thing to do, " says the lead author of the study, Samantha F.

CNN: STORY HIGHLIGHTS

And pilots will have to do that on top of flying the airplane or maneuvering it on the ground, "which is not an easy thing to do, " Rinaldi added.

NPR: FAA To Close 149 Air Traffic Towers Under Cuts