to put it mildly

基本解释

I was, to put it mildly, disappointed.
说得委婉一些，我感到失望。
So far, you've been successful in creating ODS files in several different ways, but the results are—to put it mildly—plain (see Figure 3).
目前，您已经通过几种不同的方法成功创建了 ODS 文件，但其效果 — 说得婉转些 — 不怎么好看（见图 3）。
The prospect of an open-ended military commitment without UN sanction is, to put it mildly, concentrating minds.
一个未经联合国核准的开放式军事承诺，说得客气一点，其前景是孤注一掷。

To put it mildly, the group of friends I've had over the years and ran around together with, it was originally seven of us and the healthcare system in the United States has killed us all but two,".

North Korea, for instance, is a country with a significant "branding problem, " to put it mildly.
NPR: Consultants Develop Notion of Branding Nations
Nuclear energy is unpopular, to put it mildly, following the disaster at Fukushima Daiichi.
FORBES: French Government Fires Anne Lauvergeon
And there has been some private correspondence from colleagues that, to put it mildly, surprised me.
FORBES: Evolution and Embodied Physiology