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vocabulary
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gray kingbird
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ambassador
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summer
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petticoats
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nor'-east
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bellicosity
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chores
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abo group
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1960s
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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