求翻译：当学生们面对外国人时仍不知道怎么开口，羞于开口讲英语甚至不敢开口，也就是我们常说的“哑巴英语”因此学生学到的知识没有学以致用，没有达到预期的效果。。是什么意思？

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When students in the face of Foreigners still do not know how to open, opening English speaking ashamed to dare not even opening, which is what we often say "the dumb English so students learned knowledge is not learned, have not achieved the desired results. .

When students facing foreigner still did not know how opens the mouth, to shame in opens the mouth to speak English even not to dare the aperture, also was we often speaks “the mute English” therefore the student learns the knowledge has not studied for the purpose of application, has not achieved t

When students face the foreigners still do not know how to say this, too shy to speak English even to open her mouth, which is what we used to say "mute English" so that students learned not to practise, not achieved the desired effect ...

正在翻译，请等待...