be up to something

be up to something在打什么坏主意;在搞什么鬼：I think the mischievous child is up to something now，he often keeps himself in his room and does something others do not know.我想那个淘气的孩子现在是在搞什么鬼，他时常在自己屋里做一些别人不知道的事。

• diaeresis
• cycle time
• reamer
• loopway
• aidances
• chelseas
• make out
• hangtime
• locoes
• bench check
• aversenesses
• effective for
• myoclonia
• brave it out
• vitamin es
• malted milk
• truffling
• drilling fluids
• disk sector
• mass erosion
• hard-ons
• democratists
• box trap
• unwished
• horse wranglers
• jacks-in-green
• depoliticize
• day camp
• Grat.
• bots
• jointworm
• soft touch （亦作easy touch）
• resettlings
• omsks
• oviposit
• congest
• pedagogic
• nitrous oxide
• ultraviolet spring
• believably
• degenerate into
• monohybrid
• ultimogenitures
• tilleyite
• townwear
• constitutional monarchies
• Fistuliporidae
• Little Christmas
• gorge oneself with
• astrogate
• despiser
• lustrating
• join forces with
• allegorization
• hard words
• whump
• bolero
• do sth like the devil
• soldanella
• Naderite
• Trametes
• Father of English poetry
• magic moment
• extratellurian
• positive terminal
• pasturage
• reversible transducer
• idea'd
• abortion-on-demand
• ejector seats
• half-armours
• already
• ragwort
• gentleman of the three ins
• round-tripper
• reinvestigation
• Lanarkshire
• Pakistani brain virus
• pouff
• o. henries
• lose one's life
• be on tenters
• Dinophysidales
• sectored light
• Philistine
• argots
• buddleias
• Babcock, Horace Welcome
• come straight to the point
• nigrify
• shuteye
• opinicuses
• Damietta
• phosphoglyceric acid
• bedlights
• knowledge worker
• Saurichthyidae
• orbicular structure
• confederacies
• spontaneous behaviour