have/know sth off pat

have/know sth off ˈpat(BrE)(NAmEhave/know sth down ˈpat)to know sth perfectly so that you can repeat it at any time without having to think about it了如指掌；滚瓜烂熟He had all the answers off pat.所有的答案他都胸有成竹。

• circular saw
• oysterfishes
• Hengist
• superpolymers
• give someone beans
• take a dip
• depolymerised
• narcotizes
• yearbook
• lagan
• have right
• plantsman
• in whelp
• parted
• horatias
• queer the pitch for someone (或queer someone's pitch)
• memory caches
• a gentleman of the pad
• shit for brains
• kaolinic
• sharp-edgeds
• AWACS
• Paxton, Joseph
• arminiuss
• residual resistance
• crazings
• birthstones
• overstepped
• Hawaiian shirts
• leporidaes
• Christianising
• epiglottiss
• vakeels
• hankerings
• Yüeh
• rootstalk
• classification levels
• Wassermann, Jakob
• ahead of your / its time
• sublittoral
• gaudy as a peacock
• potential density
• horse operas
• endothelial cells
• coal-tar
• pitied
• optical maser
• bridge grafting
• don't I know it!
• loculation
• Apgar score, Apgar rating
• connotation
• give countenance to
• nolle
• hedgehogged
• move around
• wimp factor
• cambodian
• v-DNA
• rachiomyelitis
• dognapped
• phylogenics
• ultramicrotomies
• sensitometries
• log
• trigones
• for aye
• Confucian
• recontrolling
• Amaziah
• half pay
• Saml.
• parish church
• sb is jamming
• S／D
• interstitialcy
• meddle and make with
• doze over
• dextranases
• draw on/upon sth
• protective clothing
• indictor
• ninepennies
• mammaries
• pyelography
• the jig is up
• be burning to do sth
• platy flow structure
• jargonic
• boatyard
• madeleine
• gaffe
• measuring worm
• triol
• floppy disc
• methylene bromide
• stripes
• lurings
• on false pretences
• drippingly