Example sentences

• 这堂课重要的内容，老师都解释了很多次。

  zhè táng kè zhòngyào de nèiróng, lǎoshī dōu jiěshìle hěnduō cì.

  This class's important content was explained by the teacher many times

• 这本书太难了，看了三遍我还是对内容不了解。

  zhè běn shū tài nánle, kànle sān biàn wǒ háishi duì nèiróng bù liǎojiě.

  This book is too difficult, I read it three times and I still don't understand its content