Pessimistic dogs appear to be more prone to engage in unwanted behaviors, such as barking and destruction.

悲观的狗更易做出不可爱的行为，如吠叫和破坏。

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Consider how you react to noises, such as a barking dog, or to too much or too little light in a room.

想一想你怎样回应噪音，比如只狂吠的狗，或者太亮或太暗的房间。

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Environment. These stressors could include a noise disturbance, such as a barking dog, or excessive light, as from a billboard across the street.

环境。这些压力源可能包括噪音骚扰，例如：狗叫，或街对面广告牌的过亮光线。

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The site deals more with curbing specific bad behaviors, such as excessive barking or chasing cats, than actual training tips.

CNN: Site-Seer: Fetching an obedient dog from the Web

Tourette's syndrome is marked by movements such as shoulder shrugging, eye blinking and head jerking, as well as bizarre vocal tics including barking and uncontrollable outbursts of profanity.

ECONOMIST: Great drug, shame about the delivery system