  We study axion-like particles (ALPs) with quark-flavor-violating couplings at
the LHC. Specifically, we focus on the theoretical scenario with ALP-top-up and
ALP-top-charm interactions, in addition to the more common
quark-flavor-diagonal couplings. The ALPs can thus originate from decays of top
quarks which are pair produced in large numbers at the LHC, and then decay to
jets. If these couplings to the quarks are tiny and the ALPs have
$\mathcal{O}(10)$ GeV masses, they are long-lived, leading to signatures of
displaced vertex plus multiple jets, which have the advantage of suppression of
background events at the LHC. We recast a recent ATLAS search for the same
signature and reinterpret the results in terms of bounds on the long-lived ALP
in our theoretical scenario. We find that the LHC with the full Run 2 dataset
can place stringent limits, while at the future high-luminosity LHC with 3
ab$^{-1}$ integrated luminosity stronger sensitivities are expected.
