I realized I had to surmount the language barrier.

我认识到我必须得克服语言障碍。

《柯林斯英汉双解大词典》

Kids were having a hard time in school just because of the language barrier.

因为语言障碍，孩子们在学校过得很艰难。

youdao

Indeed, the language barrier can be a big factor affecting understanding.

事实上，语言障碍可以是影响理解的重要因素。

youdao

But with threats, a language barrier and fear of the legal system, victims are often unwilling or unable to seek help.

VOA: special.2010.06.14

And kids were having a hard time in school just because of the language barrier.

在校的儿童们遇到的困难主要来自于语言沟通障碍。

帮助多文化的家庭 - SpeakingMax英语口语达人

and language can definitely be a big barrier.

还有语言肯定是个大障碍。

关于全球化 - SpeakingMax英语口语达人

The number one hurdle to overcome when travelling around China is the language barrier.

CNN: 5 top tips for China first-timers

The language barrier is also an issue, though many Europeans do speak multiple languages.

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Hire locally, and stop having to worry about miscommunication due to a language barrier.

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