clamp down|clamp 成语
clamp down|clamp
v., informal To put on strict controls; enforce rules or laws. After the explosion, police clamped down and let no more visitors inside the monument. The school clamped down on smoking. When the crowds became bigger and wilder, the police clamped down on them and made everyone go home.clamp down|clamp
v., informal To put on austere controls; accomplish rules or laws. After the explosion, badge clamped down and let no added visitors central the monument. The academy clamped down on smoking. When the crowds became bigger and wilder, the badge clamped down on them and fabricated anybody go home. Dictionary