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// title
echo mb_strimwidth(get_the_title(), 0, 60, "...", "UTF-8");

// content
$content = wp_strip_all_tags( get_the_content());
echo mb_strimwidth($content, 0, 80, "...", "UTF-8");

<?php
                                            echo mb_strimwidth(get_field('description' ), 0, 60, "...", "UTF-8");
                                            ?>