giving and taking; exchange (of letters); arguing back and forth; (conversational) exchange
(some) more; even more; longer; further
full portrait; whole aspect; full story
to seize; to catch; to obtain; to acquire; to understand; to grasp
a pair (of shoes or socks)
dangerous weapon; lethal weapon; deadly weapon; murder weapon
to be sufficient; to be enough; to be worth doing; to be worthy of; to do (the job); to serve
every corner; every nook and cranny; all the ins and outs
to examine; to look up; to investigate; to check up; to sense; to study
when it comes to ...; where ... is concerned; if it's the case that ...; if it turns out that ...; if it's true that ...
to polish; to shine; to brush (e.g. teeth); to refine (e.g. a skill); to improve; to cultivate
to reach the point that; to come to be that; to turn into