2N-UNCOUNT (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. (对配偶或伴侣的)忠贞,忠诚
Wanting fidelity implies you're thinking about a major relationship.
要求忠诚意味着你想发展一段严肃认真的恋爱关系。
3N-UNCOUNT [with poss](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. (报告或翻译的)准确度,精确度,确切度 [formal]