artificial intelligence; AI
strict; severe; stern; rigid; rigorous; tough
attempt; trial; experiment; endeavour (endeavor); effort; venture
clear; clearing (a bar, hurdle, etc.); overcoming; getting through; clearing (the ball); clearing (e.g. a checked box)
to tear; to rip; to break through (cordon, opponent's defense, etc.); to breach; to defeat; to beat; to break (e.g. silence)
once; one time; one round; one game; one bout; one heat
just (applies to set number of items, instances, etc.)
youngster; boy; young Buddhist monk; young bonze; young shop-boy; errand boy
hidden treasure; treasured article
to whisper; to murmur; to rumor; to rumour
tradition; legend; folklore
underground; below the ground; world of the dead; the grave; underground (activities, movement, etc.); secret
strict; severe; stringent; rigorous; rigid; firm
rumour; rumor; report; hearsay; gossip; common talk
trial product; prototype model
no good; not allowed; not acceptable; outtake; blooper; retake
stigma; dishonour; dishonor; infamy
this world; this life; world of the living
established theory; accepted opinion; accepted explanation
subject (of a medical experiment, etc.); test subject; trial subject; examinee (of a full-body scan, etc.)
being put to shame; being outshone; being eclipsed; feeling embarrassed
genius; prodigy; natural gift
suspicious; dubious; doubtful; unsure; untrustworthy; unreliable; strange
working; in operation; running; active
connivance; tacit consent; toleration; acquiescence
to chuckle to oneself; to gloat (over)
just as; in the act of; as soon as; at the moment that
worst; poor and boring; uncool
window; window (shop display)
position; situation; viewpoint; standpoint; point of view