close up (
http://definr.com/close up)
adv : very close; "without my reading glasses I can hardly see
things close up"; "even firing at close range he
missed" [syn:
at close range]
v 1: block passage through; "obstruct the path" [syn:
obstruct,
obturate,
impede,
occlude,
jam,
block] [ant:
free]
2: refuse to talk or stop talking; fall silent; "The children
shut up when their father approached" [syn:
clam up, {dummy
up},
shut up,
belt up,
button up,
be quiet, {keep
mum}] [ant:
open up]