- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
acyl anhydrides
-
watching
-
allegory
-
flavor
-
adjourn
-
spiff
-
paternal
-
tragedian
-
objection
-
upend
- 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