He is so careful as not to say anything ambiguous.
他总是小心谨慎，从不说任何引起歧义的话。
There are so many problems about design education in middle school, such as its aim is ambiguous, the scope of its course is fuzzy, the unique value has not obtained clear revealed.
目前的中学设计教育存在着目标定位不明确，教学内容范围模糊，独特价值未得到彰显等诸多宏观问题。
There are so many problems about design education in middle school, such as its aim is ambiguous, the scope of its course is fuzzy, the unique value has not obtained clear revealed.
目前的中学设计教育存在着目标定位不明确，教学内容范围模糊，独特价值未得到彰显等诸多宏观问题。
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