a closed book

a closed book a subject that you do not understand or know anything about不理解的事，一无所知的事; 谜:•Chemistry is a closed book to me.我对化学一窍不通。

• sterling areas
• error-correcting code
• ripple-soled
• wearied
• pickle liquor
• nonbeliever
• commutating
• international nautical mile
• back gutter
• burr under someone's saddle
• manual input
• own goals
• photojunction battery
• jittery
• magnetic anomalies
• bicephalous
• gap in the market
• X-ray microscope
• disodium hydrogen phosphate
• lamb someone/thing down
• simuland
• roller conveyors
• express bullet
• the grove of Academe
• dry-reed contact
• mariposa
• big-time operator
• mastiffs
• air cells
• basic schist
• resounded
• duner
• binal
• cardiogenic shocks
• punitions
• Peiraeus
• Fahr.
• matchup
• be convicted of
• criminal contempt
• send for
• kilnmen
• eicosapentaenoic acids
• arena theater
• deacylation
• Vienna definition language
• isothermal process
• centreds
• be well / clearly / badly signposted
• over-under
• narration
• formula
• an ass between two bundles of hay
• pleases
• Legendre polynomials
• back up
• ice-up
• life tables
• clethraceaes
• white iron pyrites
• hostie
• set sb back sth
• in being
• Psychoactives
• Anglified
• reinter
• spirulinas
• dialogists
• columbaria
• chordophone
• autoist
• Giraudoux, (Hippolyte) Jean
• canikin
• rectangular coordinates
• suberin
• net efficiency
• tap a barrel
• self-replications
• die from
• compliableness
• pearl spar
• horseradish tree
• a thorn in sb's flesh/side
• cannot / could not bring yourself to do sth
• linstock
• sclerotin
• hypoxaemias
• podophylli
• Gerry
• agitated about
• waterfowler
• charangos
• comose
• hang onto someone's shirttail
• pruderies
• constructionist
• get a call upon
• immersion plating
• the long jump
• fanzine