The phrase "a bit shadowy" is correct and usable in written English.
It can be used to describe something that is unclear, vague, or lacking in transparency.
Example: "The details of the agreement were a bit shadowy, leaving many questions unanswered."
Alternatives: "somewhat unclear" or "a little vague."
"It can get a bit shadowy," he says, "there was one industry conference meeting that was called Indie Illuminati, and I'm not sure it was even a joke.
Most of Kemal's friends are names rather than fully realised characters, and however vivid his desire for Füsun, she herself remains a bit shadowy.
While Foote's play may be looking to the past for inspiration, it is a reminder of the America that lives on in the present, perhaps a bit shadowy and below the surface, but still flowing through the American character.
The rest of the staff is shadowy and a bit vague when asked a question.
They are aware of aspects of the world that are a little bit shadowy and they choose not to engage with them.
In any case, Bourne has a bit of a problem with shadowy government agencies, so it would probably be better if he didn't apply in the first place.
Ripley's hasn't had a presence in New York since it abandoned Times Square in 1972, when the neighborhood started to become a bit too much like the shadowy world of extravagant desire and freakishness portrayed within.
The modifier "knowingly" in the statement is also a bit suspicious because China and Russia have used shadowy organizations to mask their meddling.
The always contrarian investor has managed to stir up quite a bit of ill will with his shadowy support of the lawsuit that brought Gawker to its knees and his vocal — and now financial — support for Donald Trump.
But the good stuff has lasted, passed down on shadowy social club dancefloors – a bit like northern soul.
