障碍

语言不通是他们交流中最大的障碍。

The language barrier is the biggest obstacle to communication between them.

只要我们共同努力，就没有克服不了的障碍。

As long as we work together, there is no obstacle we cannot overcome.

这些旧的规则已经障碍创新，应当进行适当修改。

These old rules are hindering innovation and should be revised appropriately.

大雾天气容易障碍视线。

Heavy fog can easily obstruct visibility.