have sth at your fingertips

have sth at your ˈfingertipsto have the information, knowledge, etc. that is needed in a particular situation and be able to find it easily and use it quickly掌握（信息等）；熟悉，精通（知识等）；对…了如指掌；有…随时可供使用

• ultratropical
• land drainage
• raise a glass to
• heedlessnesses
• cathedrals
• feel-good film / programme / music etc
• convenience merchandise
• paveed
• abductors
• q-ships
• saturable transformer
• scrunch
• excoriated
• vulvovaginitises
• undervaluings
• chuck ... out
• livable
• nonentity
• -ectomize
• nucleonicss
• eventuality
• tuberose
• roommate
• confessedly
• confocal resonator
• private soldiers
• LLB
• forcing function
• bring to rest
• pilgrimatic
• symmetricalness
• stickable
• unhealthfulness
• scandalizations
• dactylopiidaes
• habit of mind
• one's best
• city halls
• terrestrial space
• standpoint
• admittest
• spdl
• turbocopters
• braggart
• bayonnes
• phototrophic bacterias
• self-poise
• snail darter
• insignifcant
• blue-curls
• gain on sb / sth
• hippocentaurs
• perceptuals
• Eastern Establishment
• quadratojugals
• groundnuts
• short-head
• oil-dry
• loss angle
• typonym
• gamecast
• breechings
• graphical statics
• forgoings
• pitchiest
• american revolutions
• knees
• Reconstructionism
• in phase/out of phase (with sth)
• have a poor memory
• mundus
• seasick
• mind-bendings
• sb can keep sth
• legharness
• roquet
• phreatic
• sea cook
• new to
• unwonted
• on the right （或wrong）track
• hypersthenic
• stand seized of
• Stolonoidea
• underworker
• die the death
• acosmists
• aerobatics
• data warehouse
• alder buckthorns
• milons
• thioarsenate
• retrofitter
• Ignatius
• curvedly
• convict sb of
• box plait
• amplexuss
• synchronous operations
• trace back