The assumption is that children shouldn't chat in the classroom because it hinders hard work; instead, they should learn to delay gratification so that they can pursue abstract goals, like going to college.
2015年12月四級真題（第一套）閱讀 Section B
英語六級真題
Government regulation hinders economic development.
出自-2012年6月閱讀原文
柯林斯高階英漢雙解學習詞典釋義
VERB
阻礙;妨礙;阻止
If something hinders you, it makes it more difficult for you to do something or make progress.