There are many mistakes

错误百出───There are many mistakes

Because catching up with writes hastily, there are many mistakes to that book.───因为是匆忙赶写的，那本书有许多错误。

There are many mistakes in his exercises.───他的练习里有许多错误。

There are many mistakes I make in this diary. Just to express my dissatisfied.───我在日记里写下了这么多的失误，只是表达了我的不满。

Daniel : Don't buy the pirated books. There are many mistakes in spelling.───丹尼尔：不要买盗版书，里面有很多拼写错误。

Your composition is too messy. Besides, there are many mistakes. You must do it again.───你的作文很不整洁，而且有许多错误，应该重做。

There are many mistakes in your composition.───你的作文中有许多错误。