what's（all）this in aid of?

what's（all）this in aid of? Brit. informal what is the purpose of this? 〈英, 非正式〉 这是为了什么？

• oboluss
• day-tripping
• sadhaka
• Feiffer, Jules
• spiraliform
• squilgee
• diver method
• houndfishes
• leucotomy
• cope with
• make a streak for
• marlberries
• have your head screwed on (the right way)
• matrilinearly
• maslin
• Mont Cenis
• juice-joint
• granular
• pervious
• indubitabilities
• cheerlessnesses
• a rack of lamb / pork
• extrude
• a babe in christ
• ask someone round
• chitosans
• tsamba
• sea turns
• annuity certain
• apportioner
• drink to someone's success
• consulting
• animal rightist
• Ephemerida
• lecithic
• targeted
• bowl ... out
• porn flick
• dorso-
• summit meeting
• rotational flow
• one way or another
• interelectrode transit time
• molecular orbital theory
• pollen profile
• phosphor dot
• F.A.B.
• bathroom
• limitless
• resolvents
• lie low
• station continuity chart
• Eschweiler-Clarke modification
• dreaminess
• in attendance
• one-one
• Jolly Rogers
• crystal symmetry
• vane anemometer
• interlocal
• Aboukir
• wind-fire angle
• multangulars
• Helixes
• congenitally
• Balanchine, George
• mortgage loan
• seal of love
• the day is ours
• Menninger, Karl Augustus
• throw(或 fling, toss) the helve after the hatchet
• multiscrew extrusion
• quick-freeze
• scoriae
• odalar
• serogroup
• coagulate
• activated alumina
• labyrinthodontias
• above flattery
• weak-to-the-wall
• polar star
• by virtue of sth
• tzaritza
• put a new/different complexion on sth
• fermentations
• aluminized steel
• Kentish
• bare boness
• vote in
• Maecenases
• throats
• upbursts
• your guess is as good as mine
• take advantage of
• under the cover of
• beat up on sb
• life breath
• horizontal error
• cone-roof tank