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Why do dogs bark at nothing?

为什么狗狗会无缘无故地叫?

A dog can be a person's best friend, or so the theory goes. But that relationship can be tested when a dog begins barking at an empty corner of a room, at a door, or anywhere where there doesn't appear to be any activity at all taking place.

从常理上来讲，狗是人类最好的朋友。但是当一条狗对着房间里空荡荡的角落、对着门或对着任何一个没有动静的地方汪汪叫，人与狗的友情可能就要面临考验了。

If a dog barks seemingly unprovoked at night, it might be because ambient noise is lessened and they're more attuned to the various howling and barking of other dogs. Because dogs are territorial, one dog barking can turn into many.

如果一条狗在夜里似乎无缘无故地叫起来，这可能是因为四周的声音减弱了，让狗可以听到其他狗的叫声。因为狗是有地盘意识的，一只狗汪汪叫会引发很多只狗都开始汪汪叫。

If a dog is reacting to what looks to you like an empty backyard at night, it's possible that something has caught their attention, be it a wild animal, a leaf, or a serial killer.

如果一条狗对着夜里在你看起来空荡荡的后院汪汪叫，那么可能是它们注意到了某样东西，也许是一只野生动物，一片叶子，或一个连环杀手。

That's not to say that dogs only bark when their canine senses are triggered. Some dogs might bark spontaneously out of boredom, in which case more exercise or playtime is probably needed. They might also be trying to get their owner's attention.

这并不是说狗汪汪叫都是因为它们的感官察觉到了什么。有些狗可能是因为无聊才自发地叫起来，这时候意味着它们需要更多运动或玩乐时间。它们也可能是在试图引起主人的注意。

The AKC recommends that owners avoid scolding their dogs for barking, since they're simply trying to remain vigilant. Instead, you can try reassuring the dog to let them know you're aware of their concern.

美国养犬俱乐部建议，狗主人尽量不要在狗汪汪叫的时候训斥它们，因为它们只是保持警觉而已。你应该试着去安抚狗，让狗知道你已经了解它的担忧。

If they tend to bark while gazing out a window, you can also try to manage their vantage point with curtains. If you suspect the source is an audio cue, some white noise, like a television or radio, can help.

如果狗总是一边望向窗外一边叫，你可以试着拉上窗帘，让它们看不到窗外的事物。如果你怀疑狗狗是因为听到了某种声音而叫，你可以播放一些白噪音（比如打开电视或收音机）来盖住这种声音。

Less often, chronic barking might be a sign of cognitive issues. If barking is persistent and no fugitive is hiding out in your bushes, then you might consider a trip to the vet.

尽管不太常见，但长期汪汪叫也可能是狗出现认知问题的信号。如果狗不停地叫，而灌木丛里又一无所获，你可能要考虑带狗去看看兽医。

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