求翻译：对学生的语法、语音错误等进行纠错,这样就会打击学生主动回答问题的积极性。在学生回答正确后,很多老师用很吝啬给予正面的评价,同样会使学生的积极性受到打击。是什么意思？

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To student's grammar, the pronunciation mistake and so on carry on the error correction, like this can attack the student to reply the question on own initiative the enthusiasm.After the student replied correct, very many teachers with give the positive appraisal very parsimoniously, similarly can c

To correct students ' grammar, pronunciation errors, which would undermine the enthusiasm of students volunteered to answer the question. After the student answered correctly, many teachers with very stingy to give positive ratings, you'll make a blow to students ' enthusiasm.

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