| convention | 会议；传统 conference；norm, custom |
| conventional | 传统的，习俗的 traditional, customary |
| conventionally | 按照惯例地，照常套地 |
| unconventional | 非传统的 |
| converge | 聚合，集中于一点，会聚 meet, come together |
| conversation | 会话，非正式会谈 dialogue, talk |
| conversational | 对话的，会话的 |
| converse | 谈话，交谈 |
| conversant | 亲切的，熟悉的 |
| conversion | 转变；改变信仰 change, transformation |