a/the fly in the ointment

a/the fly in the ˈointmenta person or thing that spoils a situation or an occasion that is fine in all other ways扫兴的人；煞风景的事物

• nominal sentence
• gloup
• afars
• question time
• rebellion
• bonged
• get your cards
• matched boarding
• one-dimensional flow
• clinical neurology
• point the way
• feel bad about
• Yanqui
• dissection
• helicab
• megapodes
• social chauvinism
• autostylic
• basin irrigation
• presentation day
• rattlepated
• spinning mule
• Rose Bowl
• wire-cuts
• on order
• have a good grip of
• wildebeests
• edge plane
• A／D
• make one's skin creep
• grizzly chute
• adsorptive
• light conduits
• Asia Society
• Sec Leg
• Corpus Juris Canonici
• insurabilities
• attrib.
• melolonthid
• manhandler
• Bad workmen quarrel with their tools.
• Trichodesmium
• go tick
• purchase order
• say sthbetween one's teeth
• Helper Cells
• wavy
• wrought alloys
• retardation coil
• distinguished
• a horse of another/different colour
• my bad!
• Co-ed
• caddisworm
• prussic
• Yugoslavic
• obliquity of the ecliptic
• auroral absorption event
• photooxidation
• matched pulse intercepting
• lazyboness
• speed of sound
• Black Hawk War
• stand the test of time
• refraction loss
• perch (yourself) on sth
• Plessy's green
• effectual steps
• hot-die steel
• hinger
• dehead
• crowd pleasing
• chiropteran
• bewilderment
• skulkers
• leakage indicator
• diag
• jump out of one's skin
• faucial
• spongework
• taprooted
• bdl.
• cornetcies
• turboprop
• anatomicopathological
• breathing line
• mildens
• burlers
• patty shells
• weavers
• be out to
• haemorrhoidectomies
• feet of clay
• fishline
• sikas
• oquassas
• Riffs
• met
• end your life
• hobbing steel