clam up (on sb)

ˌclam ˈup (on sb)(informal)to refuse to speak, especially when sb asks you about sth（尤指被询问时）拒绝说话，拒不开口，闭口不言

• baby-watch
• shamois
• Afrikaner
• silver doctor
• marginality
• Himalayans
• a fool and his money are soon parted
• glacial drift
• squabbles
• no-hair theorem
• pay in sb’s own coin
• electric quadrupole moment
• sensory area
• skittishly
• retrenchable
• featherbedding
• coatiss
• contemplator
• disaggregate
• single-tongue
• cymosely
• take the edge off
• anthill
• Adams, John Quincy
• McLuhan, Marshall
• systematic support
• gnomonic map
• extremely low frequencies
• stagnations
• Honorius, Flavius
• Buchmanism
• toulons
• fighter escort
• paleethnology
• fall a prey to
• transshape
• hold ... to
• turgency
• Martin, Joseph William
• comma bacillus
• tyros
• oar
• have a horror of
• eulachons
• spreadhead
• laugh until one cries
• meshworks
• pulseless
• crave
• a flood of words
• Dormition of the Blessed Virgin
• nitrotoluenes
• drillion
• backspacers
• bear grudge
• land tie
• tempersomeness
• tined
• green as grass
• smorzando
• drift glaciers
• speculatest
• retardee
• metabolic inhibition test
• bench seat
• artificial ear
• tightly / loosely / densely packed
• right fields
• endomorphies
• for good measure
• jump out of one's skin
• paraliageosyncline
• dentaries
• flokates
• hysterectomizing
• rate of exchange
• play sth ↔ up
• comsat
• chemical castrations
• bombardments
• TTL meter
• people watch
• whore
• beginningless
• dark lanterns
• chromatinic
• fire stations
• marquessate
• cosmopolites
• vatic
• cryptand
• be running short (of / on sth)
• win a wager
• postnati
• snap judgment / decision
• tunnel resistor
• noradrenergic
• excaliburs
• oup
• prothoracic gland