pipe;  tube;  channels, official or otherwise;  (business) connections;  tobacco pipe
 self-proclaimed;  self-professed;  professing oneself to be;  calling oneself;  first person
 tool;  means;  ingredients (added to soup, rice, etc.);  counter for sets of armor, utensils, furniture, etc.
 life or death struggle;  mortal combat;  struggle to the death
 to reply;  to respond;  to answer;  to talk back;  to retort
 to make good use of one's spare moments;  to weave one's way (e.g. through a crowd)
 strenuous effort;  earnestness;  seriousness
 to play a leading role;  to play a central part
 fall;  decline;  lowering;  deterioration;  degradation
 advisory level;  warning level
 to give directions;  to issue instructions
 to stop;  to turn off;  to park;  to prevent;  to suppress (a cough);  to stop (someone from doing something);  to dissuade
 to swell (out);  to expand;  to be inflated;  to get cross;  to get sulky;  to pout
 to bite at;  to snap at;  to nibble;  to get one's teeth into (metaphorically);  to get to grips with;  to really get into
 to break up and start anew;  to break out of one's shell;  to make a fresh start;  to go outside oneself
 special training;  intensive training;  crash course
 investigation (e.g. by police or prosecutors);  examination;  inquiry;  enquiry
 just kidding;  not!;  ersatz;  imitation;  phony
 to leave word with (a person);  to state in one's will;  to leave (something) unsaid;  to forget to mention
 (finishing something) suddenly;  abruptly
 to become public;  to become known;  to come out in the open;  to be formal;  to be official
 April;  fourth month in the lunar calendar
 dropping out of school;  withdrawing from school;  expulsion from school;  dismissal;  leaving school (university, etc.) after completing a course
 seeing through (a trick, someone's mind, etc.)
 to perform the last rites over the deceased;  to give someone their final notice (e.g. when firing them);  to give someone the final word
 (on) land;  ground;  shore;  track-and-field events
 to lose one's cool;  to blow one's top;  to flip one's lid;  to get angry
 to be scorched into;  to be seared into;  to make a strong impression;  to be etched in (one's memory)
 cold water;  cold sake;  cold;  cool
 weak;  feeble;  delicate;  frail;  helpless
 age thirty;  one's thirties
 tribe;  clan;  (taxonomical) tribe;  group (of the periodic table)
 to spoil;  to rot;  to corrode
 section manager;  section chief