You have to overcome the language barrier.

你必须克服语言障碍。

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First I have to overcome the language barrier, and then I need to get used to the different culture and ways of thinking.

首先我必须克服语言上的困难，其次我要对不同文化和想法加以适应。

youdao

English superstar David Beckham, brought to the Los Angeles Galaxy to preach the Gospel of football to US sports fans, may have to overcome a language barrier to get the message across.

加盟洛杉矶银河队、将为美国球迷们“传足球之道”的英国巨星大卫·贝克汉姆可能还得克服一个语言障碍，才能把这个“道”传好。

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

CNN: 5 top tips for China first-timers

Even if a band can overcome the cultural hurdles, he said, the language barrier is often prohibitive.

WSJ: A Russian Band Looks for a Home Abroad