a matter of time
collocation时间问题
It's only a matter of time before they find out.
他们发现只是时间问题。
事情；问题；议题
matters — plural of matter
先理解核心含义，再看它在真实句子里的用法。
事情；问题；议题
an affair, situation, or subject that is being dealt with or considered; a concern or problem
This is a serious matter that requires immediate attention.
这是一个需要立即处理的严肃问题。
the matter 常指“问题、麻烦”，如 What's the matter?
物质；材料
Material; substance.
模糊指定的关切之事
a vaguely specified concern
事务；状况；主题,尤其是关注或有问题的事项
An affair, condition, or subject, especially one of concern or (especially when preceded by the) one that is problematic.
被思考的某种情况或事件
some situation or event that is thought about
Let's discuss the matter further at the meeting.
我们可以在会议上进一步讨论这件事。
AI contextual example
The scientist studied the properties of matter.
这位科学家研究了物质的特性。
AI contextual example
several matters to attend to
有几件事要处理。
WordNet
it is a matter for the police
这是警察该管的事。
WordNet
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时间问题
It's only a matter of time before they find out.
他们发现只是时间问题。
严重的事情
This is a serious matter that needs careful consideration.
这是一件需要仔细考虑的严重事情。
主题内容
The subject matter of the book is quite complex.
这本书的主题内容相当复杂。
私事
I'd rather not discuss this private matter.
我宁愿不讨论这件私事。
印刷品
All printed matter must be declared at customs.
所有印刷品必须在海关申报。
看法问题
Whether it's good or bad is a matter of opinion.
它是好是坏是一个看法问题。
时间问题
It's just a matter of time before they find out.
他们发现只是时间问题。
事实上
As a matter of fact, I've never been there.
事实上，我从没去过那里。
怎么回事
What's the matter with you?
你怎么了？
这是个信任问题。
From Billy Joel's 1986 song 'A Matter of Trust'. The chorus repeats this phrase.
来自比利·乔尔1986年的歌曲《信任的问题》。副歌重复这句话。
这是生死攸关的问题。
Title of the 1946 film 'A Matter of Life and Death' (also known as 'Stairway to Heaven' in the US), and a common dramatic phrase.
1946年电影《生死攸关》（美国片名《通往天堂的阶梯》）的标题，也是常见的戏剧性短语。
Use matters naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆：matter既指'物质'也指'事情'，物质构成了事情。
日常对话和一般写作
作‘事情’解时可数，常用单数a matter；作‘物质’解时不可数。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.