There are problems with the language when chatting with foreigners.
直译:她跟外国人聊天时语言上有些困难。
----助人自助英语团诚心回答
There are often many what she can't say when she is in chat with foreigners,
she usually has much trouble with expression when talking with foreign people
She tends to meet quite a few expression barriers when chatting with the foreigners.
She is chatting with the foreigner, will have many will frequently not say.