debate

argue, quarrel, debate, dispute, discuss, reason

这些动词均含“辩论，争论，说理”之意。
argue: 指提出理由或证据为自己或自己一方的看法或立场辩护，着重说理、论证和企图说服。
quarrel: 指两人之间或两个团体之间不友好的、吵吵嚷嚷地大声争论某事，尤指“吵嘴、吵架”。
debate: 侧重指意见等对立的双方之间正式或公开的争辩。
dispute: 侧重对分歧进行激烈或热烈的争论或争辩，带一定感情色彩，常隐含“各持已见”或“争论不休”意味。
discuss: 最常用词，指就某一或某些问题表明观点、看法等，以便统一认识，解决问题。
reason: 指据理力争以说服对方或求得对问题作更深入的研究。

controversy, argument, conflict, debate, dispute, quarrel, strife

这组名词均有“争执、不和”之意。
controversy: 侧重指深刻的意见分歧，多指对引起广泛兴趣或非常重要的问题的辨论。
argument: 指辩论双方均以事实或理由来说服对方的辨论。
conflict: 指双方坚持已见、互不妥协，怀有敌意的争论，多暗示分歧极为严重，有时用语言无法解决，只得诉诸武力。
debate: 通常指经过仔细组织和计划的个人或团体之间的辩论。
dispute: 普通用词，侧重指长时间，言词激烈，针锋相对的争辩。
quarrel: 普通用词，既可指言词激烈的争吵，也可指温和的言词上的不和。
strife: 指因不可缓和的矛盾而引起的争吵或斗殴。

名词 debate:

1. a discussion in which reasons are advanced for and against some proposition or proposal
   同义词：argument, argumentation
2. the formal presentation of and opposition to a stated proposition (usually followed by a vote)
   同义词：disputation, public debate

动词 debate:

1. argue with one another
2. think about carefully; weigh
   同义词：consider, moot, turn over, deliberate
3. discuss the pros and cons of an issue
   同义词：deliberate
4. have an argument about something
   同义词：argue, contend, fence

1. Her resignation caused much public debate.
   她辞职一事引起群众议论纷纷。
2. He debated buying a new car, but didn't in the end.
   他思量很久是否买辆新汽车，但最後还是没买。
3. After a long debate, the house of commons approved the bill.
   经过长时间的辩论，下议院通过了议案。
4. This is a question that they have often debated.
   这是个他们常讨论的问题。
5. After a long debate the bill was passed.
   经长时间的辩论，议案获得通过。
6. He debated carefully before he decided.
   他慎重考虑后方做决定。