yóu / yú / wén / zì / zhuō / sè / zuò / zhě / de / guān / diǎn / méi / yǒu / biǎo / dá / qīng / chu

由于文字拙涩，作者的观点没有表达清楚。

Because the writing was clumsy and unclear, the author's point was not expressed clearly.