"a casual (or cursory) inspection failed to reveal the house's structural flaws"
"a passing glance"
"perfunctory courtesy"
"a one-candidate pro forma election"
The question was perfunctory, and she knew what the answer would be.
出自: J. London
No one..much noticed her departure, though there were a few perfunctory waves.
出自: A. Cross
Her smile was perfunctory, meaningless.
出自: C. Thubron