阻碍，妨碍to obstruct

• 因为我所画皆我所爱，所以也并不感到有何滞碍和束缚。

  Because I paint what I love, I don't feel I have any impediments or restrictions.

• 税制滞碍企业创新突出表现在企业增值税上。

  The tax system's hindrance of enterprise innovation is highlighted by corporation tax.