baffle		practice and improve your skills or knowledge or something
dubious about		solve a confusing or complicated problem by thinking carefully about it
gather		make small movements, especially of the hands and feet, through nervousness or impatience.
guesswork		showing an unreasonable dislike for something or someone
hunch		learn the truth about something by considering all the separate bits of information you have
ingenious		a guess or feeling not based on facts
ponder		fundamental method of problem solving. It is characterised by repeated, varied attempts which are continued until success, or until the practicer stops trying.
prejudiced against		arranged in a tidy way; in good order.
brush up on		talk informally about unimportant matters.
piece together		covered with blotches; patchy, unclear
puzzle out		clever, resourceful
comprehension		feeling doubt or not feeling certain
trial-and-error approach		the process of trying to find the answer to something by guessing, or the answer found by using this method
blotched		to consider carefully, reflect on
neat		to understand or believe something as a result of something that has been said or done
chatter		bewilder; perplex; fill with confusion; puzzle; frustrate
doodling		to include or integrate a part of the information into the whole.
highlighter		a technique to remember or retain information using acronyms, mind maps, images – visualisation
incorporate information		scribble absent-mindedly.
mnemonics		deeper understanding
fidget		a broad marker pen used to overlay transparent fluorescent colour on text or a part of an illustration.