interfere

将“interfere”分解为“inter”和“fer”。想象“inter”代表“相互”，而“fer”类似于“carry”（携带）。组合起来，可以想象为两个力量或因素在互相干扰或阻碍对方的“携带”过程，从而形成“干扰”的意思。

interfere 干扰，干涉

inter-,在内，在中间，相互，-fer,击，打，钻孔，词源同bore,perforate.引申词义干扰，干涉。

interfere (v.)

mid-15c., "to strike against," from Middle French enterferer "to strike each other," from entre- "between" (see entre-) + ferir "to strike," from Latin ferire "to knock, strike," related to Latin forare "to bore, pierce" (see bore (v.), and compare punch (v.), which has both the senses "to hit" and "to make a hole in"). Figurative sense of "to meddle with, oppose unrightfully" is from 1630s. Related: Interfered; interfering.

1. He knew when to leave well alone and when to interfere.

他知道什么时候该适可而止，什么时候该插手干预。

2. Smoking and drinking interfere with your body's ability to process oxygen.

抽烟与酗酒有碍身体处理氧气的能力。

3. The hearing-impaired say digital phones interfere with hearing aids.

听觉障碍者反映数字电话会对助听器造成干扰。

4. Mrs. Blount warned me not to interfere.

布朗特夫人警告我不要插手。

5. Don't interfere in what doesn't concern you.

不要管与自己无关的事。

【intervene, disturb, interrupt, interfere】
这组词都有“干扰”的意思，其区别是：
intervene: v.干涉，干预，较为正式，常指带有行动的干预；此外，还有"调停"的意思。
• Would you intervene if you saw a parent hit a child? 要是你看到家长打孩子你会干预吗？
disturb: v.打扰，妨碍。常指失去了正常的状态或导致困难产生。
• Bad dreams disturbed her sleep. 噩梦妨碍她的睡眠。
interrupt: v.打扰，打断，阻碍。常有"使……停止(中断)"的意思。
• His speech was constantly interrupted by applause. 他的讲话频频被掌声所打断。
interfere: v.干涉，妨碍。常指干涉或妨碍他人(的事)，着重指有影响，当"干涉"讲时，后多接in，当"妨碍，打扰"时后多接with。
• It's unwise to interfere between husband and wife. 干涉别人夫妇间的事是不明智的

【meddle, intervene, interfere】
这组词都有“干涉，干预”的意思，其区别是：
meddle: 指干预与自己毫不相关的事或不属于自己职责范围的事，隐含未经许可或授权。可与interfere换用。
intervene: 书面用词，指介入争端，进行调停，也指干涉他人之事。
interfere: 侧重指无权或未获允许而妨碍、阻扰、干涉他人之事。