问题描述：
as free as
应该是谚语或成语,不可以从字面理解!还有:
as quiet as a mouse
eat like a horse
live a dog's life
work like a tiger
as weak as a cat
应该是谚语或成语,不可以从字面理解!还有:
as quiet as a mouse
eat like a horse
live a dog's life
work like a tiger
as weak as a cat
问题解答：
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