当你阅读复杂的科学或者金融文字时，Kindle和iBooks内置的词典如同天赐之物般好用。 点击一个你不明白的词汇，解析就会浮现。
The dictionary integrated in both the Kindle and iBooks apps is a godsend when reading complicated scientific or financial texts: Hit a word you don't recognize and the definition pops up.
如果侮辱你的人用你不懂的语言，或者是你不明白的词汇，结果会如何？
What if this person is insulting you in a language you don't understand, or is using words you don't know the meaning of?
总之，我不记得的词汇，不懂语法甚至不明白老师说的话。
In a word, I can't remember vocabularies, can't understand grammar and even can't understand what the teacher says.
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