(not) even once;  (not) ever
 putting in an appearance;  visiting;  coming to the surface;  appearing;  showing one's face (in TV, social media, etc.)
 (something) has never occurred;  to have never done (something);  such a thing has not happened;  never happens;  there is never a time when
 again;  once more;  also;  too;  on the other hand;  while;  and
 two persons;  two people;  pair;  couple
 young;  youthful;  immature;  green;  low (number);  small
 assistant;  helper;  assistant (to a professor)
 to ask;  to enquire;  to inquire;  to search;  to look for;  to look into
 strict;  severe;  stern;  rigid;  rigorous;  tough
 to reach an extreme;  to reach a limit;  extremely;  to be stuck;  to be in a dilemma;  to be decided
 office for rent;  office to let
 street;  quarter;  district;  area
 entrance;  entry;  gate;  approach;  mouth
 signboard;  sign;  draw;  attraction;  reputation (of a shop);  name
 to shine;  to glitter;  to be bright
 first floor;  ground floor;  one floor;  one storey;  one rank
 room;  wife (of someone of high rank);  scabbard;  Chinese "Encampment" constellation (one of the 28 mansions)
 detective bureau;  detective agency;  investigation firm
 it is assuredly that ...;  can say with confidence that ...;  did not ...
 now;  the present time;  just now;  another;  more
 (flight of) stone steps;  stone stairway
 to crawl;  to creep;  to slither;  to wriggle;  to trail (of vines, flowers, etc.);  to spread
 (following a verb) to be sure to;  to do (something) so that ...;  to make sure to;  to try to
 to rise;  to go up;  to enter (esp. from outdoors);  to come in;  to enter (a school);  to advance to the next grade;  to get out (of water)
 one person;  being alone;  being by oneself;  being single;  being unmarried;  by oneself
 clothes (esp. Western clothes);  counter for doses of medicine, gulps of tea, drags of a cigarette, etc.
 man;  male;  fellow;  guy;  male lover;  boyfriend
 20 years old; (arch.)  twenty
 will;  probably;  may;  I think;  surely;  I hope
 around there;  near there;  or thereabouts;  or so;  such a matter;  such a thing
 office worker;  company employee;  company man;  salaryman (stereotypical Japanese office worker)
 (not) particularly;  (not) especially;  (not) specially;  separately;  apart;  additionally
 to change;  to be transformed;  to move to;  to be different;  to be uncommon
 to be seen;  to be in sight;  to look;  to seem;  to come
 ordinary;  common;  free of charge;  unaffected;  as is;  only
 bizarre;  strange;  eccentric;  odd;  queer
 with a tap;  with a knock;  smoothly (proceed);  without a hitch;  even;  equal
 to run up (a hill, stairs etc.);  to dash up;  to rush up