right to challenge; right to make a challenge
clear; clearing (a bar, hurdle, etc.); overcoming; getting through; clearing (the ball); clearing (e.g. a checked box)
to clear up; to clear away; to refresh (e.g. spirits); to be cleared (e.g. of a suspicion); to be dispelled; to be banished
spring; springtime; New Year; prime (of life); height (of one's prosperity); adolescence
not necessarily so; is not always true
time; season; period; phase; stage
to differ depending on ...
average; mean; balance; equilibrium
to go to and from (a place); to go back and forth between; to go to (school, work, etc.); to attend; to circulate (e.g. blood, electricity); to be communicated (e.g. thought)
success; passing (e.g. exam); eligibility
foreign; imported; outpatient; outpatient care; outpatient clinic
taking an examination (esp. school and university entrance)
system; institution; organization; organisation
practice; training; drill; (an) exercise; workout
unlicensed; without a license (licence)
adopted child (usu. male); son-in-law
noisy; loud; annoying; troublesome; fussy; finicky
cunning deed; sly trick; foul play; cunning person; sly fellow; cheat
bugling (sound); honking; grumbling; complaining; car; automobile
certain; some kind of; some sort of; of sorts
illegal; illicit; unlawful
simple; easy; uncomplicated; brief; quick; light
fixed number; certain number; given number; definite number
one-by-one; separately; every single; each and every; without omission
(out of) desperation; (as a) last resort; (driven by) pain
degree of difficulty; difficulty level
anyone; anybody; everyone; everybody; whoever
goal; target; aim; mark; sign; landmark
renewal; update; innovation; improvement
office work; clerical work; administration; business; affairs
procedure; process; proceedings; formalities
whereabouts; place where one is; position; location
this is why; this means; it is the case that