If one does not do anything shameful, one will never show a hangdog look.

假如一个人不做丢脸事，就不会有羞愧的神色。

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Mr. Lee must have done something terrible because he has a hangdog look today.

李先生一定做了什麽大错事，因为他今天有羞愧的脸色。

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A guilty look; the hangdog and shamefaced air of the retreating enemy - Eric Linklater.

内疚的表情；撤退中的敌人那惭愧、羞耻的样子——埃里克·林克莱特。

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And, in fact, part of cognitive therapy is -involves teaching people to get rid of that hangdog look.

NPR: Can Botox Treat Depression Along with Wrinkles?

Ms. BRINK: If you were walking around with a hangdog look on your face and slumped shoulders and, you know, you're not very inviting to talk to, to interact with.

NPR: Can Botox Treat Depression Along with Wrinkles?