effrontery
shameless boldness or insolence
equanimity
calmness, especially under pressure
intransigent
unwilling to compromise or change views
facetious
joking inappropriately; not meant to be taken seriously
malevolent
having or showing a wish to do evil
sagacious
wise; having good judgment
vindicate
to clear from blame or suspicion
obfuscate
to make unclear or confusing
debunk
to expose as false or exaggerated
duplicitous
deceitful; dishonest
cut corners
to do something poorly or cheaply to save effort
don’t count your chickens before they hatch
don’t assume success before it happens
feeling a bit under the weather
feeling slightly ill
add insult to injury
to make a bad situation worse
sit on the fence
to avoid making a decision
hammer out
to reach an agreement after discussion
drum up
to create or increase interest or support
gear up for
to prepare for something
fizzle out
to gradually fail or end weakly
touch on
to briefly mention or discuss