It is a painful experience having the boil lanced.

将疖子切开是个痛苦的经历。

《柯林斯英汉双解大词典》

Learning English as a second language can be a painful experience.

将英语作为第二语言来学习可能是一段痛苦的经历。

youdao

Losing someone you love is a painful experience.

失去你深爱的人是非常痛苦的遭遇。

youdao

"That's why I'm involved." Watching a loved one fade away, Reagan says, "is a uniquely painful experience".

VOA: standard.2009.12.04

And what will happen is as a result, I experience sadness, because that is what I am thinking about, and sadness-- a painful emotion, not a positive emotion-- leads to further narrow and constrict.

结果就是，我感觉悲伤，因为我一心只想那个，悲伤-,是一种痛苦的情绪，一种消极情绪-,导致进一步的收窄缩紧。

哈佛公开课 - 幸福课课程节选

Being exposed to stocks like these when the market is gyrating wildly can be a painful experience.

FORBES: Confessions Of Leveraged ETF Lover

That will be a painful experience for a wide swathe of industries, from cars through to shipbuilding, defence and beyond.

BBC: Steel production

But the end result is not a painful experience in the main part, although they should have issued free cotton buds to keep the obligatory 'Parental Advisory' sticker company.

BBC: Garage Inc - Metallica