zhǐ / yào / yuàn / yì / nǔ / lì / chà / shēng / yě / néng / zhú / jiàn / tí / gāo / chéng / jì

只要愿意努力，差生也能逐渐提高成绩。

As long as they are willing to work hard, weak students can gradually improve their grades too.