faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support
忠诚,忠实
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he sought only the strictest fidelity to justice .他寻求的只是对正义的绝对忠诚。
sexual faithfulness to a spouse or partner
(对配偶或伴侣的)忠贞。
the degree of exactness with which something is copied or reproduced
确切,精确;保真度,逼真度
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the 1949 recording provides reasonable fidelity .1949年的录音保真度还不错。
"late Middle English: from Old French