这很令人担心，很多时候它会拒绝有希望的治疗。
This is a huge worry that will leave us, in many cases, to reject promising therapies.
很令人担心的是，如果各种技术不能协同工作，将会发生什么。
One big worry is what happens if the technology stops working altogether.
她说，调查表明，女孩们远不如男孩们活跃，这是很令人担心的。
Research that girls are far less active than boys is worrying, she argues.
他公开表示曼联的前景“很令人担心”，呼吁球迷施压，让俱乐部回到公众手中。
He has already publicly described Manchester United's future as "deeply worrying" and called on its fans to combine forces to return the club to the community.
他被怀疑是得了癌症，医生们正在为他做身体检查，结果明天会出来，他的健康很令人担心。
He is suspected to be afflicted with cancer. Doctors are checking his body and the result will come out tomorrow. His bad health gives some cause for concern.
令人担心的是它会转染到那些很容易在病人间传播的细菌中。
The fear would be that it gets into a strain of bacteria that is very good at being transmitted between patients.
从长远来看，全球变暖将会使类似的旱灾更为常见，这是令人很担心。
As for the longer term, the fear is that global warming will make droughts like these more common.
但它很令人费解地不愿调查星之联盟和天空团队的企业联盟，或许是担心挑起与美国的争端。
But it seems curiously reluctant to make progress on its investigation of the Star and SkyTeam cartels, perhaps for fear of opening a row with the United States.
很容易看出为什么安全专家会担心Twitter的安全状况，应为该公司至今已经发生了一些令人瞩目的事件了。
It's easy to see why security professionals may be worrying about the state of security at Twitter - the company has had some rather high-profile incidents as of late.
最初几天是令人担心的。他低着头，用僵硬的手指顽强地书写着参差不齐的笔记。他感到很别扭。
The first days were fraught. He kept his head down, doggedly writing jagged notes with his stiffened fingers. He felt out of place.
令人担心的是，如果这些又小又邪恶的生物一大群聚在一起，附近的小城市很容易就会被牠们破坏。
Small and vicious, many worry that if these beings were to band together in large numbers, they might easily overthrow some of the smaller cities in the region.
令人担心的是，如果这些又小又邪恶的生物一大群聚在一起，附近的小城市很容易就会被牠们破坏。
Small and vicious, many worry that if these beings were to band together in large numbers, they might easily overthrow some of the smaller cities in the region.
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