"a large city"
"set out for the big city"
"a large sum"
"a big (or large) barn"
"a large family"
"big businesses"
"a big expenditure"
"a large number of newspapers"
"a big group of scientists"
"large areas of the world"

"graduation was a big day in his life"

"a bad headache"
"in a big rage"
"had a big (or bad) shock"
"a bad earthquake"
"a bad storm"

"a big voice"
"big bold piano sounds"

"a big figure in the movement"
"big man on campus"
"he's very large in financial circles"
"a prominent citizen"

"big spender"
"big eater"
"heavy investor"

"big talk"

"too big for his britches"
"had a swelled head"
"he was swelled with pride"

"an adult animal"
"a grown woman"

"a big wind"

"a heart big enough to hold no grudges"
"that's very big of you to be so forgiving"
"a large and generous spirit"
"a large heart"
"magnanimous toward his enemies"

"was a big tipper"
"the bounteous goodness of God"
"bountiful compliments"
"a freehanded host"
"a handsome allowance"
"Saturday's child is loving and giving"
"a liberal backer of the arts"
"a munificent gift"
"her fond and openhanded grandfather"

"was big with child"
"was great with child"

"his performance went over big"

"he talked big all evening"

"think big"

"the play failed big at the box office"