Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “butter wouldn't melt in sb's mouth”

See all translations

butter wouldn't melt in sb's mouth

used when someone looks as if they would never do anything wrong, although you feel they might: Tommy looked as if butter wouldn't melt in his mouth.
Translations of “butter wouldn't melt in sb's mouth”
in Chinese (Traditional) (某人)裝老實相…
in Russian выглядеть тихоней…
in Turkish masummuş gibi görünmek, kendini çok iyi gizleyebilmek…
in Chinese (Simplified) (某人)装老实相…
in Polish ktoś by muchy nie tknął, ktoś ma minę niewiniątka…
(Definition of butter wouldn't melt in sb's mouth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “butter wouldn't melt in sb's mouth” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More