for a change; for variety's sake
I couldn't care less; not caring less
idly; lazily; aimlessly; evasively; elusively; vaguely
haughty; arrogant; pompous; self-important
task force; response team; squad; unit
to behave buggily (of software); to act up; to behave strangely
group; (free) radical; counter for installed or mounted objects (e.g. stone lanterns, gravestones, satellites)
empty grain husk; immature ear (e.g. wheat); hollow object; unripe fruit
retrogression; reversal; relapse; doubling back; backtracking
naturally; not surprisingly; it should be appreciated that; understandably; as a matter of course; as is obvious
putting one's life on the line; staking one's life (on); risking one's life; life and death situation
adviser; advisor; consultant; school club supervisor (usu. a teacher); school club manager
reasonableness (esp. of children); obedience
acrobatic flying; aerobatics
to freeze (from fear); to be unable to (too frightened to) run
technical course; technical training
fishing industry; fishery
beginning of the year; early in the New Year
field survey; field work (research); on-the-spot investigation
free time; spare time; idle moment