a few hundred

over a hundred

to be a player in relationships, having many lovers at the same time [written and colloquial]

seventy-something

around seventy years

thirty-something

several hundred thousand

around three (quantity)

roughly three hundred

about thirty thousand

around three o'clock

Very

extremely / so / really

Feeling so good

ninety-something

in the range of ninety's

around nine o'clock

approximately two hundred

over sixty

not often; seldom

rarely; seldom [colloquial]

not long, not a long time / period; very fast

around eleven o'clock

around twelve o'clock

people and things change a lot in the space of ten years [written and colloquial]

about ten

around ten or so

about ten o'clock

a thousand or so

not so