因为在外语学习或者是教学中，总会遇到各种不同的歧义，包括语音、词汇、语境、文化等。

As in foreign language learning or teaching, different kinds of ambiguity will be always met, including ambiguity in pronunciation, vocabulary, context, culture and etc.

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教师借班上课，总会碰到因不了解学生、不熟悉环境，而导致教学预设不当、师生无法有效沟通产生的教学阻隔现象。

While conducting a demonstrative lesson in an unfamiliar class, a teachers four effective ways are enthusiasm, humor, instruction, and a pre-class ta.

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2009年，派遣教师担任泰国留学中国总会举办的“泰国汉语教师培训班”的教学工作、为外交部开设“汉语语音”和“报刊阅读”课程。

For example, local Chinese teacher training at GAGCU and Chinese Phonetics and Newspaper Reading for Thai's Foreign Ministry staff were held in 2009.

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