Jìngxuǎn qījiān, liǎngbiān hùxiāng pōwūshuǐ, méi rén rènzhēn tán zhèngcè.
During the campaign, both sides slung mud at each other and nobody talked seriously about policy.
Tips
usage
The Chinese equivalent of 'slinging mud' in English political coverage. Common in journalism and commentary about smear campaigns or unfair personal attacks.