with a nagging attitude / tenaciously / pertinaciously / with a pushy attitude / persistently

(of the way in which one drinks a liquid) in one swallow / (of the way in which one drinks a liquid) by downing it / (of the way in which one drinks a liquid) in one gulp / (of the way in which one drinks a liquid) at one go

(of the way in which one drinks a liquid) in one gulp / (of the way in which one drinks a liquid) at one go / in great gulps / (of the way in which one drinks a liquid) in one swallow / (of the way in which one drinks a liquid) by downing it

reduce / cut down / discard / dispose of / reduction / cut / throw away

shrewd / sharp / quick / quick-witted / able

inform widely / announce

talk back / answer back / retort / refute / counterattack

retort / talk back / answer back / refute / counterattack

talk back / answer back / retort / refute / counterattack

atonement