"问题出在哪里"的英语怎么说?

where the problem appear
或者 where the problem can be found.

问题出在哪里?
where is the trouble ?

山姆花了一下午的功夫来查找他汽车的毛病出在哪里。
Sam spent the afternoon trying to puzzle out what had gone wrong with his car.
咱们把一切检查一遍，看问题在哪里。
Let's go over everything and find out where the trouble is.
别担心我们将怎么支付新机器的款项，待到问题出现时再设法解决不迟。
Don't worry about how we're going to pay for a new machine;we'll cross that bridge when we come to it.
我们必须把任命布朗先生的问题讨论出一个结果来。
We must hash out the question of Mr Brown's appointment.
问题就出在机器本身
The trouble is in the machine itself.
永远没有人能判断出她什么时候会在那个问题上改变主意
One can never tell when she'll wheel about on that subject.
在你现在所读到的一些离婚案例中，你需要有非常敏锐的判断力才知道问题更多出在哪一方。
In some of the divorce cases you read about nowadays,one would need to be as wise as Solomon to know which party was the more at fault.
可是问题就出在这里了。第三页的报价是无法接受的啊。
And that's what's wrong.The price y