taking part on the spur of the moment; participating without registering beforehand; last-minute entrant; specking on flower petals
huge amount of material (worth reading); richness of content (of a book)
electrophone; electronic musical instrument
bony; tough; plucky; spirited; hard to deal with
to be consistent; to be coherent
back screen (esp. hitter's background in center field)
to begin slipping or sliding; to make a start upon
five-digit number; "ten thousands" column
to stop midway; to interrupt
No Unauthorized Persons; No Unauthorized Entry; Authorized Personnel Only
to be enthusiastic about; to be eager; to be keen
uncontainable; irrepressible; uncontrollable
coloring (in; e.g. a drawing); colouring; adding color (to)
to fly about; to flutter about; to flit about; to fly past each other
to find a clear solution; to come to a clean decision; to give a clear explanation; to divide exactly (without remainder); to divide evenly
to act as a go-between (for); to mediate; to arrange; to entertain (guests); to treat; to receive
key (to understanding); point (e.g. of an argument)
to take measures; to work out a plan; to lecture; to read aloud; to confer
weeping for joy; crying with happiness
to misperceive visually; to misread; to mistake for something or somebody else
to burst (open); to break; to split
hearer; listener; audience; interviewer; questioner
a blink of time; (lit.) the time it takes to say "Ah!"
to scale (mountain, flight of stairs, etc.)
to talk on and on; to talk one's head off