名词

1. (对人、组织或信仰的)忠诚，忠实
Fidelity is loyalty to a person, organization, or set of beliefs.

2. (对配偶或伴侣的)忠贞，忠诚
Fidelity is being loyal to your husband, wife, or partner by not having a sexual relationship with anyone else.

3. (报告或翻译的)准确度，精确度，确切度
The fidelity of something such as a report or translation is the degree to which it is accurate.

1. accuracy with which an electronic system reproduces the sound or image of its input signal

2. the quality of being faithful

Synonym: faithfulness