butter wouldn't melt (in sb's mouth)

butter wouldn't melt (in sb's ˈmouth)(informal)used to say that sb seems to be innocent, kind, etc. when they are not really假装一副老实样；装作天真无邪

• first bases
• sheriffalty
• attainment
• throw the baby out with the bath
• agenest
• chase sb / sth ↔ down
• Émile
• the grave
• dismantles
• McLafferty rearrangement
• lead pencil
• ion concentration
• neptunes
• creep testing
• shooting star
• huggery
• logic swing
• balsam fir
• notch graft
• Old Line State
• pay / settle an old score
• myodynia
• peevedness
• free on board
• rosed
• Bamberger's formula
• tnpk
• thermae
• dilatant
• aurintricarboxylic acid
• life of the mind
• subjectivization
• current balancing
• horse pistols
• oversolds
• oppositionist
• Wallasey
• howdy
• baseball Annies
• contact fuse
• at fault
• right reading
• keyboardless typesetter
• archetypally
• diarylamine
• Einstein coefficients
• photoemissive
• augmented
• make a nuisance of oneself
• videttes
• mournings
• adequate stimulus
• keep in with
• solitons
• accessory element
• basin accounting
• dilutedly
• floor mats
• Lilongwe
• second lieutenant
• aldermastons
• theophoric
• tree sorting
• echographically
• Alveolar Processes
• I think not
• wolfishness
• involutely
• torr
• illuminating engineering
• ecstasied
• comd.
• mandate
• digital computers
• Impennes
• physio-
• Batangas
• chrisms
• war
• heir by custom
• intention movement
• gear-driven
• racoon
• psoatic
• myoclonus
• superconducting quantum interference device
• bifurcated contact
• crevasse
• worm oneself into someone's favour
• greasewood
• Clifford algebra
• bricked
• cross-subsidization
• point-and-clicks
• indwell
• indistinctly
• brix scales
• bowline knots
• unkindest
• Selector channel.