问题描述：
麻烦请帮忙解释几个英语俗语
feel hot under the collar.
a lucky dog.
live a dog's live.
love me,love my dog.
be blue in the face.
chewing gum
on top of the world
walls have ears.
feel hot under the collar.
a lucky dog.
live a dog's live.
love me,love my dog.
be blue in the face.
chewing gum
on top of the world
walls have ears.
问题解答：
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