familiarity (of a sound, etc.)
khan (medieval ruler of a Tatary tribe)
anonymous account (on social media; used alongside one's main account); secret account
no-charge call (e.g. via Skype, etc.); toll-free call
case that something major happens; event of an emergency; when it comes to the crunch
white goods; large household electrical appliances
doubt; suspicion; hesitation; indecision
social conditions; social circumstances
troublesome matter; burden; difficult task; chore; hassle
switchback (railway); zig zag
another broadcaster; another station; another channel; another office; another bureau; another department
emergency patient; emergency case
cool biz; cool business; business casual (Japanese Ministry of the Environment (MOE) campaign encouraging people to wear lighter clothes and for companies to set their air conditioners to 28C, etc.)
ground glass; frosted glass
container; case; receptacle; coffin; casket
usage time; utilization time
baseball-playing teenager; high-school baseball player
tangent (trigonometric function)
telco; telecommunications company; common carrier
to be assiduous in one's business
return slot (for coins in a vending machine); drop-off point (for dirty dishes at a restaurant)
long men's underpants (resembling loose Bermuda shorts)