She refused to accept that there was a problem.

她拒不承认有问题存在。

《牛津词典》

There was a problem which reared its ugly head about a week after she moved back in.

在她搬回去约一周后，有个问题又冒出来了。

《柯林斯英汉双解大词典》

But there was a problem: transits of Venus, unlike those of Mercury, are rare, occurring in pairs roughly eight years apart every hundred or so years.

但有一个问题：和水星凌日不同的是，金星凌日是罕见的，大约每隔一百年会成对出现八年的时间。

youdao

Today,the solution to the problem is so common that it is difficult to understand that there was a problem at all.

VOA: special.2010.07.14

There was a problem.

但有一个问题。

哈佛公开课 - 幸福课课程节选

The semantics was what caused the problem, because the operator was expecting a particular kind of structure there.

引起问题的是语义，因为运算符需要的是,一种特定种类的数据结构。

麻省理工公开课 - 计算机科学及编程导论课程节选

After they were enacted and in place, Frank refused to admit that there was a problem.

FORBES: The Truth About Barney Frank

Only there was a problem, a big one: The law firm apparently never had a client.

FORBES: Botched Facebook IPO Spawns Botched Lawsuit With Wrong Plaintiff

Police suspect there was a problem with the vehicle's brakes, causing it to veer off its intended path.

BBC: Scene of French Alps coach crash