everything

skill, efficiency

not ... at all

even if ...,...cannot

very, exceedingly, awfully / (before a negative form) not at all, at all, by no means

digest / break down, break to pieces / deal with (well), manage, finish

well, skilfully

dexterous; skilful; handy / clever; shrewd

(adverbial particle, dismissive, derogatory) emphasizes disgust, contempt, or otherwise negative feelings of the speaker: whatever

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend