It is very difficult to determine the cause of a problem that only occurs sometimes.

只有偶尔会发生的问题是很难确定问题的起因的。

youdao

Traces are very useful to DB2 technical support representatives who are trying to diagnose a problem that may be difficult to solve with only the information that is returned in error messages.

对于那些DB 2技术支持代表，如果只凭错误消息返回的信息难于解决他们正试图诊断的问题，那么跟踪就非常有用。

youdao

We are now at the point where the dimensionality and size of the data is a big problem. It makes things computationally very difficult to find these patterns we want to find.

他补充道，“在这里，数据的维数和容量是个大问题，要依靠计算来找到我们想要找寻的模式会变得极为困难。”

youdao

The main problem is that the complexity of computer networks makes it very difficult to quantify risk accurately.

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My spine is my biggest problem, so the loss of help at home is very difficult.

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The problem with that method is that it is very difficult for referees to deliver a fixed match.

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