discuss
词根词缀：
concussion n. 冲击；震荡
con 加强 + cuss 摇动 + ion 表名词 → 摇动得厉害 → 震荡
discuss v. 讨论
dis 分散 + cuss 摇动 → 分散敲击〔问题〕→ 讨论
percussion n. 震动
per 加强 + cuss 摇动 + ion 表名词 → 猛烈摇动 → 震动
repercussion n. 反响；回响
re 回 + percussion 震动 → 震动回来的余震 → 反响；回响
数据来源：新东方英语词汇速记大全
相关例句：
I just won't discuss my intimate relationships.
我就是不想讨论我的恋爱关系。
I hate to interrupt your intimate conversation but we do have an assignment to discuss.
我实在不愿打断你们的私人谈话，但是我们确实有事要谈。
It will be difficult for her to open out and discuss her problems freely with you.
她将很难敞开心扉跟你无拘无束地讨论自己的问题。
Discuss pollution with your child, emphasizing how nice a clean street, lawn, or park looks.
和孩子讨论污染问题，强调清洁的街道、草地或公园有多么美丽。
If you are uncomfortable with your counsellor or therapist, you must discuss it
如果面对咨询顾问或治疗师时你觉得不自在，一定要提出来。
Every year my father would call a family powwow to discuss where we were going on vacation.
每年我父亲都会召开一次家庭会议，讨论我们要去哪儿度假。