文不对题[wén bú duì tí]
词典be wide of the mark：不合事实；文不对题。
词典be beside the mark [point]
词典be far from the mark：文不对题。
词典be off the point：文不对题。
文不对题[wén bú duì tí]
be wide of the mark; be beside the mark [point]; be far from the mark; be off the point; beside the point; get off the subject; go off on a tangent; The essay [composition] is irrelevant [contradictory] to the theme [subject].; The heading and article have
例：他对园艺的一席话简直是文不对题。
His remarks about gardening were hardly to the purpose.