Although the machine looks cumbersome, it is actually easy to use.

这机器虽然看起来笨重，其实使用起来很方便。

《柯林斯英汉双解大词典》

There is often an inverse relationship between the power of the tool and how easy it is to use.

工具的功能越强大，操作起来往往越费事。

《牛津词典》

It's easy to use and edit.

它易于使用和编辑。

youdao

He takes everything KaBOOM knows about building playgrounds and putsthat information online in a simple,easy-to-use design.

VOA: special.2010.11.05

He says a less costly, easy-to-use medicine for sleeping sickness is badly needed.

VOA: special.2010.04.07

So he helped design easy-to-use instruments for the Mercury spacecraft.

VOA: special.2009.06.10

Teeny tiny and super shiny, the ONE TOUCH FIRE is an easy-to-choose, easy-to-use smartphone in a range of seven bright colours and a compact, pocket-friendly design.

ENGADGET: Alcatel One Touch Fire joins the Firefox OS cuddle party, we go hands-on (video)

The growth of internet use and the emergence of easy-to-use publishing tools could well be the best thing that has happened to journalism since radio and then television offered new ways to reach people, but that requires a certain degree of modesty and a great willingness to learn on the part of a profession that is not noted for either attribute.

BBC: Microphones in radio studio,

Such products use apps or websites for complex interactions, which allows the devices themselves to have limited, easy-to-use controls.

WSJ: Are Multipurpose Devices Better Than Products That Perform One Function?