The phrase "a vulnerable thing to" is correct and usable in written English.
It can be used when discussing actions or situations that expose someone or something to potential harm or criticism.
Example: "Admitting your fears can be a vulnerable thing to do in front of others."
Alternatives: "a risky thing to" or "an exposed thing to".
"To convey enthusiasm is a vulnerable thing to do and can come off as naiveté, but, when it came down to it, my enthusiasm for the organization was genuine and expressing it felt right," she says.
Publishing a first work of fiction, especially one as intimate as "Scary Old Sex," is a vulnerable thing to do at any age; it seems particularly brave when the writer is four decades into a separate career that involves parsing the most personal details of other people's lives while keeping quiet about one's own.
"I think putting your work out there is a very vulnerable thing to do.
Given our belief system (atheist) and overall family dynamic (cynical, avoidant of confrontation yet judgmental behind people's backs), this was an extremely vulnerable thing to share.
"Acting is such a vulnerable thing, you don't want to be told in front of others that you've made a mistake, or 'Try this,' " said Aaron Eckhart, who plays Harvey Dent, a district attorney.
As I grew older, and the challenges to my self-respect grew more varied and serious, I was surprised to discover that while my sense of honor had matured, its defense mattered even more to me than it did when it was such a vulnerable thing that any empty challenge threatened it".
"As a photographer, you're always making a fool of yourself," he said, "telling subjects, 'Oh, I think you're so wonderful, can I take your picture?' That's a vulnerable thing".
The admission of wanting a wider audience strikes me as a very vulnerable thing for a writer to put in print.
But since when is sending threatening letters to vulnerable people a Christian thing to do?
The idea that you could be with a woman and she could see beauty in you is an intensely vulnerable thing and something that requires a lot of trust.
"It's an incredibly vulnerable thing," she says, recalling the moments of insecurity and self doubt that artists of all mediums experience.
