小事
trifling matter
區(qū)區(qū)～，何足掛齒。Such a trifling matter does not merit any attention./大事化小，～化了turn serious problems into small ones and small ones into nothing;reduce major problems(or issues) to minor ones and minor ones to nothing;play down major issues and gloss over minor ones/～聰明，大事糊涂penny-wise and pound-foolish