- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
choose
-
brooding
-
ride
-
prophet
-
overwhelmingly
-
fraudulence
-
case
-
infidel
-
meant
-
physic nut
- Hide translation
crack down
crack down /ˈkræk daʊn/
verb
-
Repress or suppress (something regarded as undesirable)
(
clamp down
, crack down
)
repress or suppress (something regarded as undesirable)
The police clamped down on illegal drugs
The police clamped down on illegal drugs