be in the dark as to

be in the dark as to

• 完全不知道，蒙在鼓里

• pyridoxins
• envisage
• neither fish,flesh,nor fowl nor good red herring
• furlong
• round and round
• monadically
• settle someone's hash for him
• live for sb/sth
• scrappings
• pour the baby out with the bath
• level funding
• marginalization
• delving
• winterfeed
• filatures
• flour
• slogger
• mulberry
• scared straight
• at one’s own choice
• pinnigrade
• subtreasurers
• voluptuaries
• sourpusses
• prevaricator
• acrophonic
• disprivilege
• evocable
• metes
• colorimetric photometer
• bellowers
• frobnicating
• realizest
• SCHIZ.
• areologically
• chromium-plate
• scraggier
• sludge cake
• subsonic speed
• glide slopes
• doits
• ravingly
• ion implantation
• listel
• reubens
• assume a manner / air / expression etc
• enfranchise
• without mentioning
• stilled
• chromogenic
• shick
• stadimeter
• farmwife
• Toscana
• promontory
• interstice
• lyceen
• indictee
• milleped
• positive neutralism
• spessartites
• Roman architecture
• ov-
• resistance pyrometer
• idoxuridine
• blue gums
• high-resolution television
• stibine
• excessive precipitation
• up and down sth
• formalizers
• fiddle away
• fast-vibration direction
• rubberware
• transosondes
• immunoglobulin gene
• mostly
• Kilchu
• throw caution to the wind（或winds）
• state of the Union message
• of all time
• float gauging
• face up to sth
• greatly
• ultimately
• mendings
• mopish
• wriggle out of sth
• the unco guid
• rock-duster
• microculture
• cozeners
• pseudotachylites
• extractively
• put someone up to the ropes
• Eightfold Path
• gymnasias
• tomato puree
• komondors
• have had a drop too much