as close as an oyster

as close as an oyster嘴很紧;不会漏嘴：We share every secret with him because he is as close as oyster and never tells it to others.我们无论什么秘密都告诉他，因为他嘴很紧，绝不会把秘密告诉别人。

• no meant
• adrenochrome
• homografts
• coreid buy
• next but one
• done in
• locking
• isopropylamines
• sizar
• in all senses
• quaternary alloy
• Kumamoto
• make up for lost time
• Catt, Carrie Chapman Lane
• magnetic spectrograph
• active repeater
• miss one's connection
• cable tramways
• Tajikistan
• comparative rabal
• Ginglymodi
• bear to the left
• have a tilt at
• japanese ivies
• throw ... together
• unmeasurable
• unrighteousnesses
• elvishly
• engrossment
• dumpcarts
• fault terrace
• dreadness
• secondary planet
• corticotropin releasing factor
• necrophagias
• Lichtenberg figure
• bating
• venenosalivary
• LNA
• keyed-up
• delegator
• atman
• gullable
• attack of fever
• drain out of
• have an a close eye upon
• for appearances' sake / for the sake of appearances
• AntonellodaMessina
• dreaders
• nestle down
• cavorters
• celomata
• power stroke
• prevail on
• fustigates
• spiritus lenis
• make sth fast
• supersensitization
• boart
• earwigged
• valeted
• pancreat-
• get one's eye in
• lemon geraniums
• dole sth↔out (to sb)
• beer station
• attract ... attention
• blepharostat
• sw
• disposability
• declinists
• blindings
• bromofenoxim
• seriately
• bring / get to rights
• cold pasteurization
• against sb's wishes
• conflict
• Scotch pebble
• magnetic tape file operation
• addressing mode
• arbitrate in
• fickler
• decolonisation
• physiological specialization
• keep ... to oneself
• giant powder
• doublespeakers
• put sb to annoyance
• have an eye on the main chance
• climatopathology
• Cufics
• Gosbank
• My goodness!
• tracer gas
• the haves
• b.p.
• strut one's stuff
• genolectotype
• slippery elm