A child's voice, however honest and true, is meaningless to those who have forgotten how to listen.

语音讲解：
单词发音
child /tʃaɪld/
meaningless /ˈmiːnɪŋləs/
forgotten /fəˈɡɒtn/
连词发音
however honest and true /haʊˈevərˈɒnɪstəntruː/
轻读重读
重读：child/meaningless
弱读：and/to/have

词汇讲解
meaningless adj.无意义的，无价值的
释义：having no purpose or importance and therefore not worth doing or having
例句：Fines are meaningless to guys earning millions.
罚款对挣大钱的人来说无关紧要。

活学活用
however 然而
近义词 nevertheless / no matter how
英文： We have to finish, however long it takes.
中文：不管会花多久，我们也一定要完成它。
语法讲解
however表示“无论如何“、”然而...“、“不管怎样...”
who引导的是一个定语从句，修饰those. how to listen是疑问词+不定式结构，作宾语。

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