difficult problem; challenge
to lose one's temper; to throw a tantrum
maintaining a reasonable distance; neutral position; indecision
to sweep; to brush; to clean; to gather silkworms
locking up (doors and windows); fastening the doors
absence; being away from home; house-sitting; house-sitter; being left unattended to (of one's studies, etc.); neglecting
fresh in one's mind; fresh in one's memory
box; box (in theatre); booth (in restaurant, etc.); small rectangular building (e.g. telephone box); rectangular field area (batter's box, catcher's box); box (calfskin); central 4x4 area (othello)
glove (esp. sports); globe
automatic operation (machine); automatic driving (vehicle)
reflection in a mirror; reflected image; inverse (of a point); mirror image
short temper; quick temper; hot temper; impatience; irritability
car (running) on the opposite lane; oncoming car
traffic report; information on traffic flow; transportation information
throughout; over a period of ...; over a span of ...
stealing a ride; stolen ride
identifying signal; recognition signal; (radio) call sign
number of revolutions (i.e. as an engine speed); number of rotations; speed of revolution; speed of rotation
consideration; examination; investigation; study; scrutiny; discussion
entrant (into a country); immigrant
image information; image data
to wrench open; to prize open; to pick (lock)
to bring down (an animal, opponent, etc.); to kill; to shoot dead; to shoot down
to be of no concern to one; to be nothing to do with one
falling over; toppling sideways
road; path; route; way; distance; journey; road (e.g. to victory)
superfine; extra-fine; extremely thin; extra-fine woollen yarn
part; section; part of the body; affected part (of the body); local (e.g. anesthesia); topical
compressed gas cylinder; aerosol spray can