When used as a verb 'curb by' is not correct or usable in written English.
It should be 'curb'. For example, "The city has taken measures to curb the increase in traffic."
Waved to curb by policeman.
The driver, Donna Morgan, 28, died after being pinned to the curb by the front passenger-side tire.
I was so overweight from all the medication I was taking, I couldn't even step off a curb by myself.
But the other day she seemed the only one fazed by her perfectionism, a tendency she appears to curb by affecting an undone look.
A resident of Westchester ploughed through an unoccupied safety zone on upper Broadway and was whistled over to the curb by a cop.
And then there is Georgia, which is getting kicked to the curb by South Carolina over the fruit that defines its very identity.
This, at least, has now been curbed by regulation.
North Koreans have evaded financial curbs by couriering cash in bulk.
"This needs to be curbed by an iron hand," he said, according to the Associated Press.
Many Cubans bypass curbs by buying internet accounts on the black market.
But it's unlikely that the agencies can be curbed by legislation or regulation.
