The phrase "not tricky" is correct and usable in written English.
You can use it to describe situations that are not difficult or challenging. For example, "The math problem was not tricky; I solved it in no time."
It's not tricky or unfair.
Which is not to say she is not tricky.
Jim's vocabulary was not tricky, although his sentences went long and were compound (rather than complex).
Magnolias Not tricky plants to grow but their shortlived flowers are often wiped out by late frosts.
No, but it's surely not tricky to find a similar number of talented, quality journalists of either sex.
"Son, it's not 'tricky tricky.'" Our hallway neighbor gently corrected my technique, slipping an extra handful of chocolate into my bag.
The host asked if it wasn't tricky to write from life.
I won't pretend they aren't tricky to handle: nettles are leaves with little stinging hairs.
As though that wasn't tricky enough, a rather unusual piece of advice was sounding in Mr Kerry's ears as he began his Pakistani sojourn.
Its cooking isn't tricky, and its eating can turn slightly monotonous if there aren't currents of additional flavor rushing in.
