pick sb's mind	ask for opinion
rack the brain	think long and hard
on the brain	obsessvely in mind
beat one's brain out	expend big mental effort
expend	to lay out, spend
carnation	goździk
wrench one's mind	strain brain
spire	top part structure tapers upward
taper	narrower towards the end
hamper	to prevent free movement
sweeping change	revolution
new broom sweeps clean	A fresh leader or administration gets rid of the old and brings in new ideas and personnel
drag your feet	act slowly and reluctantly
in time to	to the beat