Rice, mung bean, ormosia, peanut and many legume vegetables always need to be soaked before washing them. However, it is a rather troublesome matter to keep the water separated from the food.

大米，绿豆，红豆，花生米、等许多豆类蔬菜需要用清水浸泡后清洗，然而把其中的清水滤干却很麻烦。

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The matter is rather troublesome.

这事有些缠手。

《新英汉大辞典》

However, long hair in sleep, the wind is also a more troublesome to manage, no matter how busy, I have to dress up every day before class to arrange for a bath.

然而，头发长了在睡觉、大风中也是一个比较麻烦的打理，再忙，我都必须每日起床穿衣之前要安排洗澡课。

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Then there is the troublesome matter of US Term Limits, Inc. v.

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Some investors hope that Sprint will eventually buy Clearwire for its spectrum, finessing for them the troublesome matter of profits and dividends.

FORBES: Magazine Article

Huckabee, however, performed poorly among voters who said religion either didn't matter "much" or "not at all, " which may prove troublesome in states like New Hampshire where religious voters play a less significant role in the Republican Party.

CNN: Democrats voted for change, GOP for faith and values