the top and bottom of sth · the full vertical extent of sth; from top to bottom · to go up and down · before and after (as in 上下文 "context") · (used after a quantity) approximately;... or so · (in a social hierarchy) the high and the low; seniors and juniors (as in 上下和睦 "harmony between superiors and subordinates") · all members of a group (as in "the entire nation") · relative superiority (as in 不相上下 "evenly matched")