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conduct
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man of affairs
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amazement
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drone
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apse
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fringe benefit
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the
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acoustic waveguide
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acute accent
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appetites
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crack down
crack down /ˈkræk daʊn/
verb
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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