fly/go off at a tangent

fly/go off at a ˈtangent(BrE)(NAmEgo off on a ˈtangent)(informal)to suddenly start saying or doing sth that does not seem to be connected to what has gone before突然转换话题；突然改变行动

• abhorrence
• break thrust
• billetings
• -diene
• affirmative-action
• brassicaceaes
• daltonists
• magnetotaxis
• subhumid
• pollini-
• ring in your ears/head
• acute arch
• serve someone the good turn
• nitpicked
• oxygen effect
• Talbot,Charles,Duke of Shrewsbury
• palledize
• propitiate
• reflected ray
• place in the sun
• Vigilius
• tachypneic
• adjustabilities
• from the nature of things
• epexegetic
• major element
• ascorbates
• hanefiyeh
• Bactrian camel
• nailer
• triolet
• syncopate
• sociocrat
• like getting blood out of a stone
• strip away
• normal pace
• portless
• guiders
• lagans
• roof gardens
• tortuously
• wrought iron
• floating aids
• on the shelf
• one-stepped
• a fully paid-up member of sth
• nationalises
• make the papers
• MSEM
• Ingram
• fly-spray
• artificial upwelling
• toadstone
• Priscol
• atmospheric engine
• essentialism
• drip-mat
• gozzan
• courtesy visit / call
• summer savoury
• on behalf of
• ensorcel
• lar
• stockingless
• magnetic field strength
• pie-in-the-sky
• heavy-hitter
• Plymouth Colony
• in embryo
• cactus alkaloid
• afflated
• monarchic
• claustrophobically
• tether
• bargain for/on sth
• make（或open） a book （〈美〉 make book）
• B indicator
• mungoose
• boarding school
• stoned
• rucksackful
• mensae
• under the aegis of sb / sth
• prepend
• grimy
• -tious
• mytho-
• immurations
• Hydrogen Carbonates
• integral-type flange
• secondary line
• get sth out
• expansibilities
• malathions
• pertinent
• generativists
• make weight
• saber-toothed
• ectethmoid
• tripalmitins