to go upstream;  to go back (in time, to origin);  to date back to;  to trace back to
 (somebody else's) parents;  both parents
 academic background;  academic credentials;  academic record
 office romance;  office love affair
 meeting;  rendezvous;  encounter;  confluence
 where;  what place;  how much (long, far);  what extent
 to be born and raised (in);  to be born and brought up;  to be born and bred
 concerning;  regarding;  per (e.g. 100 yen per person);  for every
 siblings;  brothers and sisters;  brothers;  siblings-in-law;  brothers-in-law;  mate
 related to;  in relation to;  as far as ... is concerned
 degree;  amount;  grade;  standard;  of the order of (following a number);  about
 cram school;  private tutoring school;  juku
 accomplishment;  lessons (in an art, skill, etc.);  practice
 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)
 et cetera;  etc.;  or something;  the likes of;  for example;  for instance
 small;  fine;  minute;  minor;  trivial;  sensitive
 contents;  content;  substance;  matter;  detail;  import
 growth;  breeding;  growing up (in, as);  upbringing
 education;  schooling;  training;  culture;  cultivation;  education
 level;  standard;  level (plane);  floor;  spirit level;  (surveyor's) level
 financial page (of newspaper);  financial aspects;  economic front
 to be seen;  to be in sight;  to look;  to seem;  to come
 that being the case;  because of ...;  the reason is ...;  given that ...
 head;  hair (on one's head);  mind;  brains;  leader;  chief;  top
 inside;  interior;  among;  within;  middle;  center;  during
 coincident with;  while;  simultaneously
 presentation;  exhibit;  suggest;  citation
 astounding;  tremendous;  crazy;  exorbitant
 introduction;  presentation;  referral;  listing
 (for something) to have occurred;  to have done (something);  (for something) to happen on occasion
 judgment;  judgement;  divination;  judgement
 whole;  entirety;  whatever (is the matter)
 rate;  ratio;  proportion;  percentage
 rate;  ratio;  profit;  assignment;  10%;  unit of ten percent;  match
 to occupy;  to hold;  to account for;  to make up;  to take up
 teacher;  instructor;  sensei;  title or form of address for a teacher, master, doctor, lawyer, etc.;  intimate or teasing form of address; (arch.)  one's elder
 to be bewitched by a fox;  to be confused