Determining the intent of a user who types a word such as "traffic" into the Google search box is very tricky.

决定一个用户在Google搜索框里输入单词“Traffic(交通)”时的意图是很棘手的事情。

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Children need to learn to listen to all of the sounds in a word. Identifying middle vowel sounds is often tricky.

为什么？孩子们需要学会听出单词中的音素。而辨认出单词中间的元音是有难度的，需要多做类似的活动练习。

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Of course, as always in philosophy, language is especially tricky here in that the word appearance is ambiguous;

当然，在哲学中，语言总是必须被慎重对待，在这里，“表象”这个词具有含混性；

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Of course, as always in philosophy, language is especially tricky here in that the word appearance is ambiguous;

当然，在哲学中，语言总是必须被慎重对待，在这里，“表象”这个词具有含混性；

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