hard; solid; stiff; tight; strong; firm (not viscous or easily moved); safe
hard lump under the skin (e.g. adipous tumor, lymph node tumor, etc.); grinding against; pressing or rubbing with turning movements (e.g. someone's shoulders with one's elbow); rolling one's eyes; goggling one's eyes; rattling sound
knock; knocking; fungo hitting; hitting balls for fielding practice; tap; click (e.g. of a retractable pen or mechanical pencil)
to pour (into a vessel); to fill (a cup, bowl, etc.) with; to dish out (food or drink)
outdoor unit (esp. air conditioner condenser)
oscillation; vibration; swing (e.g. of a pendulum)
fireworks display; display of fireworks
particle; atom; little piece; not at all; not the slightest
schedule; program; programme; agenda
to threaten; to menace; to frighten (into doing)
styrofoam; styrene foam; expanded polystyrene
by today; before the day is over
(one's) quota; assignment
space; room; vacancy; opening; free time; time to spare
worry; concern; anxiety; care; help; aid
taking a breather; relaxation; rest; vent; ventilation opening
it cannot be helped; there's nothing for it; it's no use fighting back; it's hopeless; there is no way out of it
falling lightly (e.g. snow, petals, confetti); fluttering; flickering; twinkling; appearing and disappearing; catching glimpses
suppressed laugh; smile; giggle; chuckle
stocking up (on); hoarding
interferer; meddler; buttinsky
dispersal; breaking up; running away; fleeing
to prick up one's ears and listen; to listen attentively
good thing; strong point; good family; prestigious school; the right moment; utter
sentence-ending particle expressing doubt; sentence-ending particle expressing a rhetorical question
in; at; on; as for; regarding; with regards to
universal; omnipresent; ubiquitous
principle; theory; fundamental truth
to uncover; to solve; to reveal
to talk about; to speak of; to recite; to chant; to indicate; to show
to rearrange (classes); to recompose; to reset; to recombine (genes)
unlimited; endless; boundless; infinite