be talking through your hat

be talking through your hat BrE informalif someone is talking through their hat, they say stupid things about something that they do not understand信口开河，胡说八道

• reinsured
• remans
• ezras
• radwastes
• groundnut
• the best part of something
• mesh network
• be on a fishing expedition
• transverse bar
• touch one's cap to
• BPMC
• studies
• quick-change gearbox
• bice blue
• biracial
• househusbands
• insatiety
• Gana
• tribrachial
• breath test
• sodium cyclamates
• centaureas
• photolitho
• mug up
• hedreocraton
• porklings
• Fayum, Fayyum
• penalizing
• jeering
• dry-adiabatic atmosphere
• be concerned for
• a.l.s.
• a goodish distance / number etc
• high-sounding
• iniquitousness
• sudamina
• UNFPA
• untrodden
• shock frock
• grumpiness
• plaintexts
• arvo
• betray your beliefs / principles / ideals etc
• look sb in the eye
• bowlegged
• p-toluic acid
• Saundra
• sensatory
• stretch(或strain) the truth
• apartmentize
• droppable
• confusable
• Sov Un
• formularize
• cling like a limpet
• antistreptococcic
• defenseless
• tough it out
• Hiroshima
• eventuations
• would not touch with a pair of tongs (或 with a barge-pole)
• crisscrosses
• lady of the bedchamber
• ethical investment
• sap green
• recross-examination
• vowerer
• heteropolarity
• solar farm
• tube cell
• incoherently
• stereo amplifier
• unwiseness
• collocates
• put someone out of breath
• East-West Center
• play a good game
• insertional inactivation
• saturates
• argumentative
• one's good genius
• pyocins
• slobberer
• speedlight
• against one's will
• bat mitzvah
• Daphnis and Chloe
• routing
• ADDL
• great-grandsons
• come into contact with
• Judeo-Spanish
• constipating
• Katherine
• montenegroes
• sleuths
• red-green blindness
• kick the habit
• corpsmen
• low-frequency antenna