nǐ / bié / zǒng / shuō / zì / jǐ / shì / fèi / wù / diǎn / xin / rèn / zhēn / xué / yì / xué / hái / shì / néng / jìn / bù / de

你别总说自己是废物点心，认真学一学还是能进步的。

Don't keep calling yourself a loser; you can still improve if you study seriously.