be up to a thing or two

be up to a thing or two明白事理;见多识广;精明能干：My friend David is up to a thing or two，he has ever faced the world and braved the storm，no scene，however grand，amounts much to him.我的朋友大卫见多识广，他曾经经风雨，见世面，多么大的场面也不在话下。

• ecclesia
• trihedra
• all the old women of both sexes
• spinneret
• hard and fast rule
• ozone
• zinc chloride
• horizontal frequency
• to my way of thinking
• laser flash tuber
• Crimson
• be (a figment of) sb's imagination
• danazol
• merchant mill
• gastrulates
• FRV
• shoot craps
• couthily
• crack on (with sth)
• critico-dialectical anthropology
• insculptions
• laser scalpel
• all-day / all-night
• amniotic fluids
• Romulus
• transport vehicle
• behavior
• bring something up
• black man
• crystal oscillators
• souvenirs
• tetrastichous
• breadroot
• idiomatic English
• motivator
• physic
• go-tos
• aggrievements
• vernacularly
• grumble
• transaminase
• air vents
• Niemann-Pick Diseases
• beef ... up
• at the lowest
• Racah coefficient
• the poor in spirit
• ladder truck
• bend before
• decane
• voltametric
• chip resistor
• cryptopart
• photodynamic therapy
• metabolizability
• rocking bar
• silicic acid
• extraordinary rays
• self-determineds
• vacuum tube
• compact discs
• Doreen
• hold by
• language style
• drop valve
• subjectivenesses
• beguilers
• tonqua beans
• bravadoes
• break sb/sth in
• artillery-fired atomic projectiles
• full-dimensional
• ichthyornis
• skewbacks
• disenfranchisements
• doggy style / fashion
• biosafety
• do well out of
• dead-end effect
• cash assets
• genu
• teenss
• transistorize
• nakerer
• eat dog
• iterative adaption
• finishing stroke
• acotyledon
• endored
• Beta Geminorum
• soft rot
• double demy
• nearby
• BC soil
• renovator
• barrettes
• snub-nosed pistol / revolver etc
• knick
• t.m
• puisnes