信
xìn
letter; mail; to believe; to trust
In a story
信封里边,是一封信和两张三十年前的火车票。Inside it: a letter, and two train tickets from thirty years ago.妈妈的秘密 · Mother's Secret · HSK 3
宁远是读书人,不信这些。Ning Yuan was an educated man, and he didn't believe any of it.狐狸学字 · The Fox Who Learned to Read · HSK 5

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