to gather speed, to pick up speed, to gain speed

to gain height, to go up / to get an overview, to get some distance, to take a step back, to put things into perspective

assembly-line work

(figuratively) to enter the equation, to carry weight

sleep on it! (it's better to examine things in the cold light of day)

(typography) line break

(informal) period, full stop

(informal) to be ruined, to be penniless

(economics) cost of living

(figuratively) in a jolly manner, merrily, light-heartedly, insouciantly, blithely / (figuratively) boldly, bravely and enthusiastically