put on one's thinking cap

put on one's thinking cap informal meditate on a problem 〈非正式〉深思, 冥思苦想。

• forebodement
• ichthyologist
• beni
• Mantle, Mickey Charles
• delftware
• the north
• sullenly
• chesterfields
• tread the boards
• gnathites
• back-coated mirror
• create a real等 stink about
• Cattell, James Mckeen
• tape cassette
• dung-heap
• ingenuousness
• Centralia
• Leotichidae
• fivescore
• take exercise
• turn into
• coherence length
• eyed
• Trobriand Islands
• monalbite
• air mileage unit
• looniest
• in a class of its own
• archeoastronomy
• Medullosaceae
• warm sth↔up
• magistracies
• giddyapping
• set on foot
• fresh-water ecosystem
• worth the candle
• mawkin
• ADAM
• eunuchise
• vented battery
• man-about-town
• discophiles
• vehicle control system
• corrivalry
• dextro-
• be meat for worms
• appendicles
• Magian
• accouples
• Malcolm
• shadowiest
• douser
• potential gradient
• not know sb from Adam
• external ears
• a child in arms
• megalomania
• scrip issue
• roomettes
• superconductor
• intriguante
• centaurs
• ICJ
• diesel
• array antenna
• Vienna sausage
• trailblazing
• sniggling
• pure geometry
• backcourtman
• chaologists
• univalved
• oath
• edify
• phonographer
• sightseer
• ataghans
• marsh buggy
• mss.
• nondrying oil
• sandur
• heptastichs
• carpogonia
• brei
• transistorizing
• reflection angle
• arctic circles
• polyimide
• koris
• Bernina Pass
• keep sb on their toes
• reappareled或reapparelled
• kilovar
• have a lot on your mind
• escorials
• cut a swath
• studentships
• fylfots
• soreheadness
• Danish modern