The phrasal verb "clamp down on" is predominantly used in informal speech, although it has found its place in formal contexts, especially in journalism, politics, and legal settings. It is commonly used to describe the act of taking strong or strict measures to stop or control an undesirable activity. For example, a government might clamp down on illegal immigration, or management might clamp down on employee misconduct. This phrasal verb often implies an increase in restrictions or sanctions, and it suggests decisive, authoritative action against something considered problematic. Despite its informal origins, its usage is quite acceptable in formal reports or discussions surrounding policy enforcement, regulatory actions, or organizational discipline, as it vividly conveys the seriousness and intent behind such measures.
B2
UpperIntermediate
1. To take strict action to prevent or limit an activity or behavior.
The government decided to clamp down on illegal fishing to protect marine life.
The school administration will clamp down on cheating during exams.
City officials have vowed to clamp down on speeding in residential areas.
New policies were introduced to clamp down on tax evasion.
The police announced a campaign to clamp down on drug trafficking.