Tā lǎngdú kèwén de shíhou chángcháng niàn biézì, nào le bùshǎo xiàohua.
When he reads texts aloud he often misreads characters, which has given people plenty of laughs.
Tips
mistakes
错字 is a character written wrongly, often one that does not exist. 别字 is a real character in the wrong place, such as 以 for 已. Together they make 错别字. Reading a character as a different one is 念别字; an older word for the same mistake is 白字.