may;  might;  perhaps;  may be;  possibly
 may;  might;  perhaps;  may be;  possibly
 even;  (if) only;  just;  besides;  on top of that
 to be ...-ing;  to have been ...-ing
 isn't it?;  don't you think?;  right?;  surely;  come on
 jump;  jumping event (skiing, track and field);  jumping (to another page after clicking a hyperlink);  jump (in price);  sudden rise
 to fall down;  to drop;  to be omitted;  to be missing;  to decrease;  to sink;  to fail (e.g. exam or class)
 beginning;  outset;  first;  onset
 speed;  velocity;  pace;  velocity
 to be sufficient;  to be enough;  to be worth doing;  to be worthy of;  to do (the job);  to serve
 deplorable;  regrettable;  disappointing;  vexing;  unfortunate
 ball;  sphere;  bead (of sweat, dew, etc.);  drop;  ball (in sports);  pile (of noodles, etc.);  bullet
 -like;  sort of;  similar to;  resembling
 in one go;  in one gulp;  in one breath;  immediately;  instantly;  right away
 to begin shooting;  to shoot out
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 to be broken;  to break;  to fall through;  to come to nothing
 is not;  am not;  are not;  isn't it?
 reaction;  recoil;  kick;  backlash
 use;  utilization;  utilisation;  application
 to stuff into;  to jam;  to shorten;  to move closer together;  to reduce (spending);  to conserve;  to focus intently on
 pipe;  tube;  gun barrel;  gun;  cannon;  well lining
 book;  volume;  this;  present;  main;  head
 to attach;  to join;  to furnish (a house with);  to wear;  to put on;  to keep a diary;  to make an entry
 continuation;  succession;  series
 gas (state of matter, e.g. poison gas, natural gas);  gasoline;  gas;  dense fog;  thick fog;  gas stove
 jet;  spray;  injection;  jet propulsion
 frantic dash;  rushing at full speed
 ah!;  oh!;  yes;  indeed;  aah;  gah
 understood;  I see;  OK;  present;  here
 to be careful;  to pay attention;  to take care
 to enter;  to go into;  to break into;  to join;  to enroll;  to contain;  to hold
 danger;  peril;  hazard;  risk
 so;  therefore;  accordingly;  consequently;  on those grounds;  that is why
 (what) the heck;  (why) in the world;  one object;  one body;  one form;  one style
 to stop (an activity);  to cease;  to discontinue;  to cancel;  to abandon;  to give up
 dangerous;  risky;  in danger;  in jeopardy;  uncertain;  unreliable
 explosion;  detonation;  eruption;  eruption (of discontent, etc.);  outburst;  outpouring
 safe;  secure;  certainly;  surely;  no thanks;  I'm good
 heavy;  weighty;  heavy (feeling);  depressed;  slow;  sluggish;  important (position, responsibility, etc.)
 to believe;  to believe in;  to place trust in;  to confide in;  to have faith in