The live-attenuated vaccine is considered the most effective, but there is a worry: what might happen once these viruses wake up?
减毒活疫苗被认为是最有效的，但有一个问题：一旦这些病毒苏醒，会发生什么？
The delay will be a worry for all concerned.
对所有关注的人来说，这一延迟都是一个隐忧。
In Japan, too, excess inventories remain a worry.
同样在日本，存货过量也依旧是个困扰。
Emissions of greenhouse gases and other noxious chemicals are a worry.
温室气体和其他有毒化学品排放令人忧心。
The gender gap is more than 10 points in English at 11. Behaviour is a worry too.
英国11岁大的孩子的性别差距超过了10个点数。 他们的言行举止同样令人担忧。
Still, it's a worry that many smokers cite when asked why they don't try to quit.
然而，当被问及为何不戒烟的时候，这依旧是许多吸烟者所顾虑的。
There is not a worry on our minds because we already know the terrain that lies ahead.
我们不会担忧因为我们已经知道前面的路。
Many Vietnamese opt to hoard dollars, not bank them. Inflation, at 8.2%, is a worry.
外汇储备也已停止不前，许多越南人愿意存美元，而不是越南盾，通货膨胀达到令人担忧的8.2%。
A worry for industrialists now is whether this rate of growth is as good as things will get.
企业家现在的一个担心是，这个增长率是否也会如形势一样变好。
It is also a worry for many Venezuelans, who would rather their country avoid big-power politics.
很多委内瑞拉人为此担心，他们宁可自己的国家不被卷入大国博弈。
A worry is that politicians' zeal to outdo each other's punitive line on bankers will go too far.
有一种担忧认为，政客们热衷于在施加对银行家的惩罚上胜过彼此的举动可能会过头。
With so much supply to be absorbed by finicky markets, there is a worry that some bonds may go unsold.
各个谨慎的市场需要吸收如此多的债券，人们担心一些债券可能会没有销路。
So rising global emissions due to carbon leakage are hardly as big a worry as some make them out to be.
因此由于“碳泄漏”而增加的碳排放跟“碳泄漏”不是什么大问题。
I find in talking to people that there is a worry that if they win we will lose, and there is no need for that.
在和人交谈时我觉得大家总是有一种担心，认为他们一赢就意味着我们会输，这种担心没有必要。
This means that the system relies on the honesty of the user about their progress but Baumer says that's not a worry.
{8}这就是说，该系统依赖于使用者是否诚实地汇报自己的进展情况，鲍默说，这一点并不令人担忧。
Such a person is often said to be a worry wart, also rendered as worrywart or worry-wart in some literary references.
这种极度忧虑的人就被称为是“杞人忧天”（拼写为worrywart、worrywart或worry-wart都可以）。
A worry for the federation Internationale DE Football Association (FIFA) is that the tournament will not be African enough.
国际足联担忧之一就是锦标赛不够非洲。
That is a worry because there is a strong link between the concentration of women in an occupation and the level of pay.
这让人很担忧，因为妇女在一个行业上集中程度与她们薪资水平有着很大的联系。
One thing looks increasingly certain: the relationship between Russia and Ukraine will be a worry for European security.
只有一点越来越明晰：俄乌关系将为欧洲安全制造麻烦。
A worry wart in an office environment, for example, may spend most of his or her time fretting over getting laid off or fired.
比如说，办公室里杞人忧天的那些人大部分时间可能都在担心会被裁员或解雇。
But he added: "Of course it's a worry when anybody takes it upon themselves to dictate what people should or should not read."
但是他又补充道：“别人擅自做主规定什么人应该或者不应该读什么书，这当然是一件很恼火的事。”
That is a worry for investors who recognise that the global recovery has owed much to the effects of fiscal and monetary stimulus.
认清了全球经济复苏很大程度上归功于财政和货币双重刺激的投资者为此感到忧虑。
The team has experimented with simulated flights using real-time meteorological data. Encountering a headwind at night is a worry.
小组用即时气象数据进行了模式飞行测试，夜间遇到逆风是个麻烦事。
But that's not what people are predicting this time. Absent the stimulus, there is still a worry that there is not much demand out there.
但是这次人们的预测不是这样了，刺激计划结束后，人们还会担心需求不足的情况。
This is a worry because some of the most desirable characteristics of plants are in the wild gene pool and might be needed again one day.
这令人担心，因为有些最珍贵的作物基因就存在于野生植株上，有一天我们可能还需要用到。
And while inflation was a worry earlier this year, peaking at 8.7% in February, consumer prices grew by a relatively modest 6.3% in July.
今年早些时候通货膨胀就已经让人忧心忡忡，在2月时通胀率最高曾达到8.7%，直到7月居民消费价格增长率才稳定在相对温和的6.3%上。
Her statement points to a persistent worry, and it's a worry that exists even now in the twentieth century about the nature of Milton's power.
她的陈述不断透露着忧虑，这种忧虑一直持续到现在20世纪，关于弥尔顿之力量的本性的忧虑。
Poland, bolstered by strong domestic demand, will be the only economy in the EU to grow this year (though its rising public debt is a worry).
尽管不断增长的公众负债仍然值得忧虑，但波兰还是凭借着强大的内需支撑而成为欧盟中唯一取得经济增长的国家。
Poland, bolstered by strong domestic demand, will be the only economy in the EU to grow this year (though its rising public debt is a worry).
尽管不断增长的公众负债仍然值得忧虑，但波兰还是凭借着强大的内需支撑而成为欧盟中唯一取得经济增长的国家。
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