under (guidance, supervision, rules, the law, etc.);  under (a flag, the sun, etc.);  beneath;  with (e.g. one blow);  on (the promise, condition, assumption, etc. that ...);  (somebody's) side
 at one's feet;  underfoot;  gait;  pace;  most recent;  current
 to take advantage (e.g. of a weak situation);  to size up (e.g. customer when setting a high price)
 near one's knee;  (by) one's side;  (at) one's hand;  place under the protection (of one's parents, etc.);  (under) the care (of);  territory of a powerful person
 to bring to light;  to expose (to the world)
 it is darkest under the lamp post;  it's hard to see what is under your nose;  go abroad to hear of home;  you must go into the country to hear what news at London
 with a single blow;  with one stroke
 foot of a mountain;  base of a mountain;  mine;  colliery;  owner of a mountain;  operator of a mine
 under the guidance of;  under the leadership of
 beside a nobleman;  close aid (of a nobleman, etc.);  place where a high ranking person resides;  one's own city (of a shogun, lord, etc.);  place under one's direct control;  one's own turf
 equality before the law;  equality under the law
 followers take after their leaders; (lit.) there are no cowardly soldiers under a brave general
 to take advantage (of another's weakness)
 while it is light;  before dark;  while the going is good;  before things get worse
 to be no match for;  to not hold a candle to
 fools use people to pick up things lying at their own feet;  stupidity of using people for small things