The phrase "a bit concerned with" is correct and usable in written English.
It can be used when expressing mild worry or interest regarding a particular topic or issue.
Example: "I am a bit concerned with the recent changes in the policy and how they might affect our team."
Alternatives: "somewhat worried about" or "slightly apprehensive regarding".
"I was a bit concerned with the ground turning soft today," Weld said.
There is a hint of anxiety in these works as well; they are deliberately noncommittal and a bit concerned with their status.
There's a tendency now in India to look for things that are more structured, more systematized, and I'm a bit concerned with that because, while it's true from a consumer's standpoint that you want things that are much more predictable and better quality, there's a misconception that jugaad necessarily means poor quality.
"Gary Cahill has, to some extent, been suffering from occasional back problems and we were a bit concerned with the flight, and the artificial pitch in Lithuania, so, in a straight choice between taking him or Chris Smalling, I went with Smalling," said Hodgson.
But I sometimes get a bit concerned with the premise that someone's iPhone could seriously mess up the plane's navigation system.
"I was a little bit concerned with my selection," the Liverpool manager said.
"Yes, I'm a little bit concerned with how it's perceived in there," Girardi said of his clubhouse.
He realizes there are only so many serves left in his right rotator cuff, but he did not seem the least bit concerned with the dynamics of supply and demand on Center Court.
Actually, Gardner museum security director Anthony Amore isn't the least bit concerned with successfully prosecuting any of the criminals involved. .
As anyone who has watched Popovich mumble through an awkward in-game interview can attest, he has never seemed the least bit concerned with the quality of the league's television product.
I wasn't the least bit concerned with the results, much less cared who was competing, but wondered what the fascination was that caused bloggers, mainstream print and broadcast media, and breathless pubescent children to get so concerned with the matter.
