impose, introduce, put

curb on
Many companies have imposed curbs on smoking in the workplace.

drastically
This legislation will drastically curb the power of local authorities.

attempt to, try to
be designed to, be intended to
a new law designed to curb harmful emissions from factories

aimed at curbing sth
a range of policies aimed at curbing inflation

an attempt to curb sth, an effort to curb sth
measures to curb sth

Curb is used with these nouns as the object:
activity, appetite, corruption, craving, disorder, emission, enthusiasm, exuberance, immigration, impatience, inflation, spread, tendency, use, violence