know one's onions

know one's onions informal be very knowledgeable about something 〈非正式〉（在某方面）知识渊博的。

• Umbrian
• scagged
• lift up one’s hand
• off-line equipment
• the Palace
• under no consideration
• dash down
• stranglings
• Ploima
• Smith
• gun line
• state
• Lib-Labbery
• partis
• configurated
• data import
• mass-producible
• boot s and saddle s
• urban homesteader
• pyelostomy
• Erebus
• optokinetic
• rootsy
• guying
• recognizes
• Eurokrone
• teddy-bearish
• Billy Bunters
• prehistorically
• solodization
• squail table
• longsomeness
• soft magnet
• frowstiest
• drowsing
• beyond someone's purse
• tunny
• bluehead gig
• pluralizer
• needments
• presager
• target assessment
• hurry up one's cakes
• start out
• resolution chart
• whatever / wherever / anything etc you like
• rivalless
• lip gloss
• battle cry
• hand-receiver
• cunnus
• achromobacter
• leadswinging
• grease it in
• mix sth into/to sth
• n.a.a.c.p
• tipoff
• narcosis therapy
• worldfuls
• leaflet
• deteriorism
• unbannings
• bathygram
• linear hull
• carbamylurea
• obsceneness
• dowdiness
• antisolar
• aerosolizing
• lymphoadenoma
• nitrosamines
• elect.
• abstract idea
• roquesite
• keep at bay
• overflow dam
• extracorporeal circulation
• bessemerizing
• razor-billed auks
• denominationalist
• cattish
• put-ups
• tarrass
• pro-Western
• acorn cup
• tensings
• in your own time
• ugandas
• pomaceous
• open questions
• evulsion
• maintenance
• comstockian
• step sth ↔ up
• pass/come under the yoke
• intuitivism
• stagier
• McDuck, Scrooge
• goldies
• mainlinest