It was no easy matter getting him to change his mind.

让他改变主意可不是件容易的事儿。

《牛津词典》

Choosing the colour for the living-room walls was no easy matter.

为起居室的墙壁选择颜色并非易事。

《柯林斯英汉双解大词典》

Testing in such conditions was no easy matter.

要在这样的条件下做实验谈何容易。

youdao

Investigating abuses related to the investment of the assets of these funds is no easy matter.

FORBES: CalPERS Criminal Prosecutions Needed To End Public Pension Fraud

So much so that it was no easy matter to join the band.

NPR: 'A Tale of Music': From 'Literature from the Axis of Evil'

Schwartz believed memory maintenance could be boiled down to a simple molecular mechanism, but it was no easy matter to find the important one.

FORBES: Names You Need To Know: Todd Sacktor's Search For The Memory Enzyme