look as if butter wouldn't melt in one's mouth

look as if butter wouldn't melt in one's mouth informal appear gentle or innocent while typically being the opposite 〈非正式〉假装天真无邪（或极娴静）; 表面上一副老实样。

• monadologies
• assot
• inflexionless
• oportoes
• cuds
• unreasoning
• gelate
• talk through one's hat（或〈英〉 arse或backside 或〈美〉 ass）
• barkies
• Mather, Cotton
• know one's business
• lexicographical
• drip off
• dessertspoonful
• wisenheimer
• spectrophone
• score against
• acquitting
• CEV
• more than a litle
• germinal infection
• bath -
• lose your way / bearings
• dingus
• Theobald,Lewis
• waking numbness
• Confucianisms
• bet on
• protend
• residual deposit
• twines
• tyne
• ministerially
• max (sth) out
• to flog something to death
• energy rich
• barocyclonometer
• primary dealers
• retoucher
• hero-worshipping或hero-worshiping
• electronic raster scanning
• Frenchified
• talbots
• metteur en scene
• annotating
• inclines
• instrument of fate / God
• deep freezer
• hysterocatalepsy
• underused
• fortnight
• high in the social scale
• vertebrate zoology
• sheep's eyes
• open reduction
• flashcubes
• pterodactyl
• take a hand
• robbings
• exempt listing
• Brunei dollar
• borahs
• dog clutch
• ultraviolet absorption spectrophotometry
• peejays
• work permits
• Health Maintenance Organizations
• regraft
• analytic grouping
• cryptogenic
• p.r.
• realization
• break a strike
• cardiac insufficiencies
• tanycytes
• fritter away
• semitropical
• macronest
• the day of something is finished
• moment of momentum
• butterfly stroke
• sortable
• ethyl oxalate
• battle of the books
• be sb's middle name
• abreuvoir
• protectorless
• scutellations
• slides
• clockmakers
• over-the-toppery
• lunatic asylum
• JPS
• a deal of sth
• saqqaras
• heterotransplantation
• tessular
• haul over the coals
• in the grasp of
• petulantly