1.Around 40 per cent of Britain's Jews said they felt afraid and hid their religion in public.
in public公开地,当众;大庭广众
Congress as an institution scores low in public opinion polls.
作为一个公共机构,国会在公众民意调查中得分很低 。
2.They also said its leader failed to crack down on anti-Semitism within the party.
crack down on制裁,镇压
The police ran a sting operation to crack down on illegal guns.
警方展开诱捕行动以严打非法枪支 。