practise on / upon

practise on / upon利用(弱点等);欺骗：Never practise on the kindness of old folks to cheat them.不可利用老年人的和善心去欺骗他们。

• fall of ground
• propagation forecasting
• roof filter
• fog signal
• there's no question about
• monopolism
• merwinite
• throw the book at
• tomcats
• marketing environment
• pine tar
• dabbed
• fast liver
• high beam
• one's finest hour
• Chartist
• terpene hydrochloride
• compound magnet
• O-type backward-wave oscillator
• conchologists
• AADS
• among others
• unkemptnesses
• ready-to-serve food
• good Samaritan law
• lamington
• verities
• acidosis
• exchange sort
• eld
• Tyndallization
• split-phase
• IFR
• quantum
• overpitched
• framers
• all bets are off
• 1,5-cyclooctadiene
• debutants
• allayed
• scuzzier
• therian
• Nocardiaceae
• rose diagram
• cobble beach
• bluff into
• hung jury
• heart failures
• be on one's best behaviour
• Cuba
• kilergs
• bewaring
• coed crew
• bacillurria
• hefas
• Turing test
• sleeping draughts
• diffuse density
• exhibition
• preclinical
• pubess
• related
• smacksmen
• adenoid
• leg-puller
• alligator
• telespectacular
• dunite
• digestion coefficient
• paw
• dioptrics
• arecoline
• -tude
• springbok
• oversailing
• Egyptianized
• drabbler
• pro tem.
• summerly
• golden shiner
• buttonhook contact
• at your/sb's disposal
• supermolecule
• Skupshtina
• give sb/sth/get short shrift
• oyer
• dirtying
• leading
• encephalomata
• myofibrillar
• desovietize
• aniline dye
• muddle up
• cavitary
• Deutschlander
• as happy as the day is long
• by the thousand
• doublure
• set sth in order
• diacetate