置信 Traditional form: 置信 Pinyin (reading): zhìxìn Definitions: to believe (what sb claims) (usually used in the negative) (math.) confidence (interval etc) Characters: 置 - to lay out, to place, to set aside 信 - to trust, to believe; letter, sign Traditional characters: 置 - to lay out, to place, to set aside 信 - to trust, to believe; letter, sign