the linchpin of sth

the linchpin of sth the person or thing in a group, system etc that is most important, because everything depends on them某事物的〔组织、制度等的〕关键人物（事物）

• Beng.
• bear a resemblance to
• answering machines
• tropophytes
• electrocoagulations
• Pave Paws
• convincible
• like a bad halfpenny
• keep a jealous eye on
• sericulturists
• hold something in fee
• acidophilus
• secondary battery
• picture galleries
• beyond one's years
• inshore zone
• federating
• Theresa of Avila, Saint
• high-carbon chromium
• brandy face
• Elaine
• remissory
• lautarite
• bust one's ass
• Medici, Lorenzo de'
• short bit
• magnetic meridian
• two-timer
• soroptimist
• gas tracer
• clangorously
• landing pattern
• good for（或on）you（或him, her等）!
• family medicine
• intrigante
• washington dc
• dofunny
• not care a brass button
• burlesque
• wonderworker
• a coming man
• Christmas Islander
• donneé
• the Cold War
• herring gulls
• flow graphs
• scleractinias
• Lyginopteridaceae
• Ouija
• haplography
• white smog
• beat someone to a pulp
• factionalizing
• ribuloses
• Nelson, Horatio
• inter-allieds
• Touareg
• gutturalise
• over head and ears in debt
• beehouse
• ice barriers
• stratified samplings
• unquestioned
• foreknews
• hyperbolic functions
• esotericism
• from the cradle to the grave
• drill gauge
• entomic
• enviers
• root nodules
• be attached to
• glottochronological
• dig sth ↔ in
• long horses
• f layers
• master data
• adansonias
• king for a day
• K-factors
• nothing like leather
• all the best
• poll parrots
• insomnias
• Framingham
• axillars
• whilikers
• huntsmen
• Lamentations
• phonetic notation
• find one's feet
• underworkers
• Conrad
• unprintables
• with (a) good / bad grace
• autotimers
• pink gin
• barbicels
• have a finger in the pie
• revengeful