butter wouldn't melt in someone's mouth
idiomThe identified person appears to be benign, mild-mannered, or calm (but with an integral suggestion that, to the contrary, they really are untrustworthy, disagreeable, or mean-spirited).
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all mouth and no trousers
Alternative form of all mouth and trousers.
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all mouth and trousers
Superficial, engaging in empty, boastful talk, but not of real substance.
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all one's taste is in one's mouth
One lacks good taste in aesthetic or cultural matters.
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another nail in someone's coffin
An event that increases the likelihood of or causes further failure.
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answer someone's prayers
To be or do exactly what someone has been wishing or asking for.
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answer to someone's prayers
Exactly what someone has been wishing or asking for.
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apple of someone's eye
The object of somebody's affections; a person (or sometimes a thing) that someone strongly prefers; a favorite, a loved one.
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bad taste in one's mouth
A feeling that something is morally despicable as to cause nausea.