fluent (in a language); flowing
crude; unrefined; coarse; ill-mannered; rude; insensitive
viewing as ...; seeing as ...; treating as ...; regarding as ...
startup; booting up; activation; starting (e.g. engine, computer); launch
to reach; to amount to; to be up to the task; to come up to; to compare with; to be a match (for)
wave motion; undulation; surge; wave
from now on; in the future; hereafter; ahead of us; down the road
to be reflected; to harmonize with (harmonise); to come out (photo); to be projected; to be displayed (on a screen)
period; epoch; the times; those days; oldness; ancientness
conformity; compatibility; adaptability; congruity; congruence
well then ...; in that situation; in which case
round; circular; curved; smooth; harmonious; calm
pole; rod; line; dash; spoken monotonously
boss; leader; kingpin; chief; head (e.g. of a crime syndicate)
registration; accession; register; entry; record
ownership; dominion; ownership rights; proprietorship; property rights
to look forward to something
anticlimax; let-down; disappointment; loss of interest
delineation; demarcation; drawing a line (e.g. between what's acceptable and unacceptable); (measuring) ruler
to branch; to fork; to separate; to split; to disperse; to scatter
to use properly; to use (different things) for different purposes
close to the wall; alongside the wall
emission (of light); radiation (of light); luminescence
culture fluid; culture solution; broth
pickled (something); pickled in (something); preserved in; overreliance on (e.g. medication); excessive use of
to float; to become merry; to be cheerful; to become loose; to become unsteady; to feel out of it; to be cut off (e.g. from those around you)
human experiment; human experimentation; experiment on a living person
uncomfortable; ill at ease; not feel at home
machine; mechanism; instrument; appliance; apparatus