pair; couple; antithesis; counter for items that come in pairs; counter for sets (of clothes, small furniture, utensils, etc.)
opposite; opposition; versus; vs.; to (e.g. "winning a game five to three"); equal footing
United Kingdom; Britain; Great Britain
equality; equal; same rights; same rank; equivalence
senior high school; high school
to tell (a story); to give an account of (an event, experience, etc.); to relate; to tell of; to show; to indicate
very young; little; childish; immature
to surround; to encircle; to enclose
(the condition of) one's health
man; male; fellow; guy; male lover; boyfriend
to be popular; to come into fashion; to be prevalent; to spread widely (e.g. disease); to flourish; to thrive
wife and children; (arch.) wife
opportunity; chance; folding; fold; small food box (wooden or cardboard); folding in ... (two, three, etc.); counter for folded items
(licensed) red light district
to go to and from (a place); to go back and forth between; to go to (school, work, etc.); to attend; to circulate (e.g. blood, electricity); to be communicated (e.g. thought)
to gather; to collect; to assemble
scary; frightening; eerie; dreadful
sense; sensation; feeling; intuition
to play (games, sports); to enjoy oneself; to mess about (with alcohol, gambling, philandery, etc.); to be idle; to do nothing; to meet up (with friends); to hang out
venereal disease; sexually transmitted infection; sexually transmitted disease; VD; STI; STD
sexually transmitted disease; sexually transmitted infection; STD; STI
symptoms; condition (of a patient)
person affected by a disease; sufferer
frequency (of occurrence)
to represent; to signify; to reveal; to show; to express; to make widely known
at the same time as; while; as well as (multiple roles)
one end; an end; part; fragment
suggestion; hint; implication
to become overgrown; to grow thick; to spread; to run rampant; to thrive
somehow; for some reason or other
National Institute of Infectious Diseases; NIID