matter

n.物质；情况；麻烦事 vi.要紧，有关系

matinee, matinee (US also matinee), mating, matins (also mattins), matri-, matriarch, matriarchal, matriarchy, matrices, matricide, matriculate, matriculation, matrimonial, matrimony, matrix, matrix printer, matron, matron of honour, matronly, matt, mat (US also matte), matter of fact, matter-of-fact, matter-of-factly, Matterhorn, matting, mattins, mattock, mattress, maturation, mature, maturely, maturity, maudlin, maul, maulstick, maunder, Maundy Thursday, mausoleum, mauve, maven,