lǎo shī / zhǐ chū / le / tā / zuò wén / lǐ / de / jǐ gè / bié zì / ràng / tā / huí jiā / gǎi zhèng

老师指出了他作文里的几个别字，让他回家改正。

The teacher pointed out a few wrongly written characters in his essay and told him to correct them at home.