The phrase "a bit trivial" is correct and usable in written English.
It can be used to describe something that is considered to be of little importance or significance.
Example: "While the topic may seem a bit trivial, it actually has deeper implications for our understanding of the issue."
Alternatives: "somewhat insignificant" or "rather unimportant".
I think the prime minister just sometimes finds him a bit trivial and a bit glib.
It might seem a bit trivial but small things like that can make a difference and our players scored all four of their spot-kicks the following evening.
Attending policy seminars and reading thinktank papers must seem a bit trivial and indulgent when you have the levers of real power at your disposal.
The main flaw of "Saved," though it sounds a bit trivial given what the humans in this show have gone through, is that we don't see enough of the animals.
In remarks made on the Labour battlebus earlier today, and picked up by the Press Association, Mandelson told journalists that the prime minister often felt the Tory leader was "a bit trivial and a bit glib".
If you can't find something you both like to talk about, then try bonding about something you both don't like, even if it's something a bit silly or trivial, such as school meatloaf, math tests, or spiders!
At the moment I'm a bit concerned that the non-trivial choice of P_{RF}, as it stands in the manuscript, might be key to the observed effect.
If you have an older, pre-PSP 3000 system, hacking the system is trivial; piracy is a bit of a problem for Sony here.
Most people never think twice about the feature, but when you encounter a similar sharing widget that doesn't do the same thing, it feels a bit archaic — but it isn't trivial for developers to build, either.
The screenshot is just trivial enough to seem a bit shaky, though BG says the source is trusted.
