stumble over

stumble overhesitate and make mistakes when sb. is speaking or reading 结结巴巴地说或读 * She speaks English so well that she never stumbles over her words. 她英语讲得很好，从不结结巴巴的。

• war gamer
• E numbers
• Berlin Wall
• touristas
• appropriateness
• Marat, Jean Paul
• Night Journey
• bean fly
• well-spents
• wigeons
• reverberate
• freeze sb ↔ out
• quinsied
• the Salvation Army
• ectoenzymes
• storage print
• wist-wrestler
• itas
• put sb to rout
• PSRO
• give sb / sth the green light
• lweis
• congeliturbation
• time sight
• gavialold
• heat of absorption
• brackets
• bugong
• tirednesses
• ration strength
• infusive
• newsmakers
• acupressure
• potsy
• incidence angle
• drawgears
• second-degrees
• as a matter of fact
• townies
• lantern-jawed
• soft hammer
• flow-control valve
• en casserole
• gamble on
• scatter reading
• mooring mast
• Striped Skunks
• clubbability
• nocodazole
• humanity
• eddy viscosity
• pulmometers
• stemmery
• （as） warm as toast
• glaucochroite
• glimmered
• anemic
• Yokkaichi
• pricking of (或 in) one's thumbs
• underemphasize
• be at someone's neck
• homeothermies
• englewoods
• auditorial
• white-headeds
• incivism
• the naked truth
• docudrama
• lithometeors
• erics
• blivit
• pre-edit
• insubstantially
• facility trip
• buxomnesses
• C.T.A.
• varia lectio
• transmission-line transducer loss
• tubs
• habergeons
• essential supremum
• a hero of the quill
• journalizer
• djebels
• Tuberales
• pink fish
• burbulence
• not till next time
• have the munchies
• natterer
• Redstone Arsenal
• thimerosals
• fouettes
• MSCE
• hybridized
• Pentelic
• pass-band filter
• tingle with excitement / fear / anticipation etc
• clout
• theat.