核心词根剖析
fid/ 信任, 信仰, 忠诚 /
起源与故事 (Origin & Story)
忠诚（fidelity）和信任是维系人际关系的基石。古罗马人将信念（fides）视为一种美德，它也是构建法律和商业信任的核心。
视觉记忆卡
fid
= 信任
想象画面
把 fid 想成一颗发光星球，中心写着 信任，周围飞着 confident、fidelity、confide、perfidy，看到同根词就像看到同一颗星球的轨道。
联想练习
用一个画面连接词根与同根词
想象一颗写着“信任”的 fid 星球：confident、fidelity、confide、perfidy 都沿着同一条轨道运行。
confident
自信的，确信的 (feeling or showing confidence in oneself; sure)
fidelity
忠诚，保真度 (faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support)
confide
倾诉，托付 (tell someone about a secret or private matter while trusting them not to repeat it to others)
perfidy
背信弃义，不忠 (deceitfulness; untrustworthiness)
必背衍生词族 (5)
confident
confident自信的，确信的 (feeling or showing confidence in oneself; sure)
fidelity
fidelity忠诚，保真度 (faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support)
confide
confide倾诉，托付 (tell someone about a secret or private matter while trusting them not to repeat it to others)
perfidy
perfidy背信弃义，不忠 (deceitfulness; untrustworthiness)
fiduciary
fiduciary受托的，信托的 (involving trust, especially with money or property)
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拖拽合并前缀、词根和后缀，根据释义炼制出正确的单词。激活你的肌肉记忆！