(for) household use; home use; domestic use
contract; compact; agreement
blunder; miss; slip; oversight
(written) contract; agreement
business use; business purposes
internal wiring (within a building)
fee; charge; rate; material
to cook (food); to manage well; to handle well
advantage; benefit; merit; good point; plus
24 hours; twenty-four hours
thirty-first day of the month; thirty-one days
economical; bargain; good value; good-value
to spin vigorously; to wave around (e.g. sword, bat)
structure; construction; makeup; framework; organization; pattern
fixed; settled; constant; definite; uniform; regularized
inscrutable; incomprehensible
uninterruptible power supply; UPS
to come to nothing; to be in vain; to lead nowhere
stability; steadiness; equilibrium
power outage; electricity outage; blackout; failure of electricity supply
(within) the (Tokyo) metropolitan area
to restrict; to limit; to be restricted to; to be limited to; to be best (for); to be the best plan
once; one time; one round; one game; one bout; one heat
though; although; be that as it may; nonetheless
Uninterruptible Power Supply; UPS
writing; entry (e.g. to a form); posting (e.g. to a blog)
protection; safeguard; guardianship; preservation; conservation
server; (cake) server; (water) dispenser; server (tennis, volleyball, etc.)
connection; attachment; changing trains; conjunction
surplus; margin; leeway; composure; placidity; complacency
the rest; the others; in addition (to that); besides that; and so forth; and the like
device; equipment; machinery; apparatus
My goodness (expresses surprise, wonder, etc.); very; extremely
indispensable; essential; requisite; required; compulsory; necessary
to mishear; to hear wrongly; to misunderstand
to listen repeatedly; to listen again; to ask a question in return; to ask again; to ask for a repeated explanation
indicates uncertainty or second hand nature of information quoted
lending (money); finance; loan; adaptability; versatility; flexibility