(an) unknown; unknown number; variable; unknown quantity; not yet known
to get dirty; to become dirty; to become sullied; to become corrupted; to lose one's chastity
to get into an argument; to come to discuss; to be controversial (usu. as an adjectival phrase); to be contentious
one may well say so, but ...; even more than
to stick; to get stuck; to be unavailable; to be busy; to be piled up (e.g. of work); to halt (in one's speech)
to fit; to get into; to be fit for (a job, etc.); to be suited for; to fall into; to plunge into
to make a lasting impression
to connect; to correlate; to associate; to relate; to link
superiority; superior power; predominance; preponderance
to take (something) along; to bring with one; to carry (something) away; to bear
junior (at work, school, etc.); younger people; younger student
authorization; authorisation; acknowledgment; acknowledgement; certification; recognition
often; again and again; frequently; repeatedly
to put on a patronizing air
to be offended; to get angry; to be stuffy; to be stifling; firmly (shutting one's mouth)
to lead; to take the initiative; to take precedence (e.g. sadness taking precedence over anger); to be most essential
secrecy; confidentiality; privacy; one's circumstances (esp. fiscal)
to prick up one's ears and listen; to listen attentively
to choose at one's own discretion; to choose when to do something; to estimate (the time for something)
secret understanding; collusion; betrayal
aforementioned (statement); preceding; at right
opening (a door, window, etc.); leaving open; opening up (e.g. to the public); allowing (public) access
guidance; lead; introduction; good offices; guide; primer
outline; summary; overview; synopsis; abstract; abridgment
bottle of perfume (scent)
to blow (on); to breathe (on); to pick (a fight); to provoke; to exaggerate; to ask (an unreasonable price)
odorless; odourless; unscented
route; path; channel (e.g. sales, distribution)
to be wide-ranging; to be diverse; to cover a lot of ground; to cover various topics
attentive; cautious; careful; watchful
of no use whatsoever; good for nothing; useless
baggage; luggage; burden; albatross around one's neck; excess baggage
gait; manner of walking; footwork (e.g. in sport); characteristic way of moving, keeping the center of gravity low (centre)
obvious; (as) clear as day; plain to see
way one walks; one's walk
show; display; pretensions; pose; posture
time; (the) hour; favourable time; opportunity; chance
seems to be; appears to have; supposed to be
to see well in the dark; to have good night vision
distant view; looking from a distance; being able to see a long distance; good long-distance vision; farsightedness
to run at full speed; to run and run; to try one's hardest