circuit (electric); cycle (e.g. Krebs cycle)
not caring; not giving a damn
paying one's own expenses; going into business for oneself; working independently; person who earns their own living
brain waves; electroencephalogram; EEG
counter for waves (of a repeated occurrence)
fall; decline; lowering; deterioration; degradation
heart; guts; nerve; central part
departure; departing (from ...); sending; sent (by ...); engine; counter for gunshots, bursts of gas, etc.
signal; signalling; signaling; traffic light; traffic signal
double; twice (as much); times (as much); -fold; 1-nth; 1 to n
to pull up; to drag up; to increase; to raise (e.g. taxes); to withdraw; to leave; to promote (someone to a higher position)
long time; long interval; for quite some time
established theory; accepted opinion; accepted explanation
(computer) command; command key; commando
(one's) exclusive use; private use; dedicated use; use for a particular purpose; exclusive use (of particular products); using only (e.g. a certain brand)
same period; corresponding period; same year (of graduation, entering a company, etc.); contemporary; synchronization; synchronism
to perform; to do; to conduct oneself; to carry out
to let (someone) hear; to tell (e.g. a story); to make (someone) listen; to make (someone) understand; to grip (someone) with skilful singing, storytelling, etc.; to hold (someone) enchanted by
hypothesis; supposition; assumption; tentative theory
to be enigmatic; to be puzzling; to be wrapped in mystery
to explain adequately; to be accountable
absurd; unreasonable; excessive; very; extremely; excessively
operation; management; handling; manipulating (to one's benefit); manipulation; influencing
to be possible; to be likely; to be probable
exit (from a stage); exeunt; leaving; exit
dot; spot; mark (in an exam, etc.); grade; point (in a game); score; point (in geometry)
previous generation (e.g. one's parents); family predecessor; predecessor; previous age
how many years; how long; what year
survival; remaining; being extant; being left
right in the middle (of); midst; height