rough going

rough guess

at a rough guess

as a rough guide

Rough surface

to be a rough diamond

rough stuff

a rough customer

to rough it

rough diamond

rough edges

rough time

roughly speaking

roughly the same

roughneck

round

round and round

round the clock

in round terms

to go round

to go round the twist

to be round the twist

a round lie

a round of toast

round table conference