The speaker was roughly handled by the mob.
The Antarctica is a continent centered roughly on the South Pole.
Roughly speaking, I would say that about100 people attended the exhibit.
(of quantities) imprecise but fairly close to correct
同义词：approximately, about, close to, just about, some, more or less, around, or so
with roughness or violence (`rough' is an informal variant for `roughly')
with rough motion as over a rough surface