look as if butter wouldn't melt

Idioms  

1. see butter wouldn't melt.

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Example Sentences

You know very well how to do it, though you look as if butter wouldn't melt in your mouth!

From Project Gutenberg

I was sure that you would be on my side, though you do look as if butter wouldn't melt in your mouth.

From Project Gutenberg

The clouds are what no one can understand yet, I suppose," said Mr. Eildon, "but they don't always look as if butter wouldn't melt in their mouths, as they are doing to-day.

From Project Gutenberg