The phrase "a vulnerable thing" is correct and usable in written English.
It can be used to describe an object, person, or concept that is susceptible to harm or emotional distress.
Example: "In a world filled with uncertainty, love can often feel like a vulnerable thing."
Alternatives: "a fragile entity" or "a delicate matter".
"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".
"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.
"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".
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.
The admission of wanting a wider audience strikes me as a very vulnerable thing for a writer to put in print.
"I think putting your work out there is a very vulnerable 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.
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.
"It's an incredibly vulnerable thing," she says, recalling the moments of insecurity and self doubt that artists of all mediums experience.
The queer body is an incredibly despised and vulnerable thing in our culture, and to write about it in that way feels, to me, like a way to affirm its value, to try to care for it.
