Did the matter in question occur on or about ten o'clock on the fifteenth of June?

那事是在6月15日10点或10点左右发生的 吗 ?

《简明英汉词典》

People's views, however, are divergent on the matter in question.

然而, 人们对正在讨论的问题的看法是有分歧的.

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With regard to the matter in question, I will write to you in detail later.

关于这件有疑问的事, 我会在以后给你写信详陈.

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Where the matter in question is urgent, the decision will come into force immediately.

争执中的事情一旦紧急, 决定会立即生效.

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With an effort he dragged his mind back to the matter in question.

他努力把思路拉回到正在讨论的问题上.

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