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topic

noun
 OPAL WOPAL S
/ˈtɒpɪk/
/ˈtɑːpɪk/
Idioms
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  1. a subject that you talk, write or learn about话题；题目；标题
    • The main topic of conversation was Tom's new girlfriend.交谈的主要话题是汤姆的新女友。
    • a topic of discussion/interest讨论/兴趣话题
    • to cover/discuss/address a topic涵盖/讨论/解决主题
    • a range/variety of topics一系列主题
    • The article covered a wide controversial topics including forced marriage and abortion.这篇文章涵盖了广泛的争议话题，包括强迫婚姻和堕胎。
    • There will be workshops on related topics.将举办有关主题的讲习班。
    • Hot topics (= that are being discussed a lot) for discussion included global warming and pollution of the oceans.讨论的热门话题（很多人正在讨论）包括全球变暖和海洋污染。
    • She has written about such important topics as race, culture and class.她撰写了有关种族，文化和阶级等重要话题的文章。
    Extra Examples
    • The topic for tonight’s discussion is…今晚讨论的题目是⋯
    • I did my best to change the topic (= of conversation).我尽力改变话题。
    • In the next chapter the writer focuses on the topic of adoption.在下一章作者着重讨论收养这个问题。
    • It might be better to avoid such a controversial topic.最好还是避开这样一个有争议的话题。
    • She was an excellent speaker, but I found her choice of topic strange.她是个优秀的演讲者，但我发现她的选题比较奇怪。
    • We discussed topics ranging from foreign policy to economics.我们讨论了从外交政策到经济学等多个主题。
    • The book covers such diverse topics as diving and first aid.这本书涵盖了潜水、急救等形形色色的话题。
    • articles on religious art and related topics评述宗教艺术及相关主题的文章
    • This topic comes up every year.本主题每年都会提出。
    • Our teaching is based largely on topic work.我们的教学主要以专题学习为基础。
    Oxford Collocations Dictionaryadjective
    • chosen
    • selected
    • particular
    • …
    verb + topic
    • address
    • approach
    • broach
    • …
    topic + verb
    • range from something to something
    • come up
    topic + noun
    • area
    • heading
    preposition
    • on a/​the topic
    • topic for
    phrases
    • a choice of topic
    • a range of topics
    • a variety of topics
    • …
    See full entry
    Word Originlate 15th cent. (originally denoting a set or book of general rules or ideas): from Latin topica, from Greek ta topika, literally ‘matters concerning commonplaces’ (the title of a written work by Aristotle), from topos ‘a place’.
Idioms
off topic
  1. not appropriate or relevant to the situation离题；跑题
    • That comment is completely off topic.这个评论完全脱离主题。
    • He keeps veering off topic.他总是偏离主题。
on topic
  1. appropriate or relevant to the situation切题
    • Keep the text short and on topic.文章要简短切题。
    • Let's get back on topic.我们回到正题上来吧。

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