worry; concern; anxiety; care; help; aid
it's OK to ...; it's best to ...; it's alright to ...
numeral; figure; digit; numeric character
to curry favour; to butter up; to fawn over; to humour someone (humor); to put in a good mood (e.g. a baby)
signalling with the eyes; exchanging looks; winking
value to society; raison d'être; existence value
duty; responsibility (incl. supervision of staff); liability; onus
copper (Cu); bronze (medal)
general; universal; ordinary; average; (arch.) the same; (arch.) no different
knowing; (an) acquaintance
to knock (ideas) against each other; to present competing ideas; to have a lively exchange of ideas; to smash together; to crash into each other; to throw at each other
mutually; with each other; reciprocally; together; both
to borrow; to have a loan; to rent; to hire
arms race; armaments race
association; union; guild
regulation; (traffic) policing; control; restriction
to employ; to hire; to charter
to attack; to assault; to assail
to say; to speak; to tell; to talk
to find difficult to guess; to struggle to work out; to be unable to figure out
dealing with; coping with
habitat isolation; compartmentalization; segregation; isolation
a short while ago; a moment ago; just now; some time ago
drafting; requisition; impressment; commandeering; expropriation
to be disconnected; to get out of place; to miss the mark; to get it wrong (e.g. guess, expectation); to be removed; to be excluded
to tie; to bind; to fasten; to restrict (freedom); to tie down (with rules, regulations, etc.); to fetter
activity (esp. energetic); great efforts; conspicuous service; to flourish; to participate actively; to play an active role
front stage; center stage (of politics, etc.)
period; epoch; the times; those days; oldness; ancientness
to like; to be pleased with; to be delighted with; to take a liking to; to suit one's fancy
to accompany; to go with; to go together
to start a journey; to embark on a trip; to set forth; to hit the trail
walking; strolling; roaming; wandering; exploring
opportunity; chance; folding; fold; small food box (wooden or cardboard); folding in ... (two, three, etc.); counter for folded items
watching a (sports) game; spectating; observing (military operations)
dojo; hall used for martial arts training; manda (place of Buddhist practice or meditation, esp. the place under the bodhi tree where Buddha attained enlightenment)
classroom learning (as contrasted to practical training); classroom lecture
memories; recollections; reminiscence
victory or defeat; match; contest; game
unfavourably; unfavorably; disparagingly; insultingly; ill
to abuse (verbally); to curse at; to shout abuse at; to speak ill of
pretext; history; past; according to ...; ... says
to yield; to give in; to bend (knee, etc.); to subdue; to overpower; (arch.) to feel down