pī / píng / kě / yǐ / bāng / zhù / tā / gǎi / jìn / dàn / méi / bì / yào / yì / zhí / wǎng / ní / lǐ / cǎi

批评可以帮助他改进，但没必要一直往泥里踩。

Criticism can help him improve, but there is no need to keep rubbing salt in the wound.