catch sb on the hop

catch sb on the hop to do something when someone is not expecting it and is not ready使某人措手不及catch sb on the ˈhop(informal)to surprise sb by doing sth when they are not expecting it and not ready for it使某人措手不及

• cock and bull stories
• sales check
• teleshopping
• micromeritics
• asymptotic curve
• degreased
• north stars
• cognitive behavior modification
• sandboy
• Pitzen slinger
• sucker punch
• sprung axle
• don't put all your eggs in one basket
• toll road
• day of doom
• indistinctnesses
• figurer
• octangle
• feedwater
• spread the word
• number one / two / three etc seed
• colorimetrics
• cross out
• ecrevisses
• controverted
• get your leg over
• ultracentrifuger
• banyan
• epiphanic
• counterreplies
• dachshund
• virtuosities
• watch error
• ethyl sulfide
• on the outs
• hand organs
• sil.
• pace yourself
• Large Magellanic Cloud
• Minorca
• mediastinitis
• bact.
• direct primary (election)
• cirvis
• neutral corner
• flow chart
• galeated
• prefects
• ulmaceaes
• have one’s heart in the right place
• free-speech
• anklebone
• foul tip
• whale fin
• Gauteriaceae
• wearings
• nacrite
• strike oil
• deliver oneself of
• rya rug
• bellworts
• orissas
• strike a pose
• right-leanings
• Asellota
• uncorrectable
• lessees
• slap together
• anaphase
• SDI
• slightly-built
• wait till the clouds roll by
• solely
• give something up
• this life
• classifiers
• off one's chump
• blow/clear the cobwebs away
• beehouses
• cot deaths
• transference neurosis
• metal tape
• abuse
• parsons table
• foot brake
• exercisers
• methylate
• good and
• acerola
• boardable
• agrologies
• Watusi
• capuchins
• game plan
• concurrences
• have one's shoulder to the collar
• jiggy
• nonappearance
• leased facilities
• bottom price