The police have started to put the squeeze on people who speed in town.
The local police have begun to clamp down on drug dealers downtown.
この場合、次のような言い方ができます。
ーThe police have started to put the squeeze on people who speed in town.
「警察は街のスピード違反者の締め付けを厳しくし始めた」
to put the squeeze on で「締め付けを強化する」と言えます。
ーThe local police have begun to clamp down on drug dealers downtown.
「地元警察はダウンタウンの麻薬の売人たちの締め付けを強化し始めた」
to clamp down on でも「締め付けを強化する」ことを言えます。
ご参考まで!