不正当竞争 Illicit competition / unfair competition

恶性竞争 Cutthroat competition

品牌竞争 Brand competition

行业规范 Industry standards

扰乱市场规则 Disturb the market rule / distort the market

商业道德 Commercial morality

中国互联网行业自律公约 Public Pledge of Self-Regulation and Professional Ethics for China Internet Industry

恶意攻击 Wanton attack / hostile attack

商业利益驱动 Drive of economic advantage

商战 Commercial war/ trade war

诽谤 Slander /defamation

恶意营销 Malicious marketing

企业诚信 Credit in enterprises

软广告 /软文 Advertorial

公关危机 Public Relations Crisis

例句：

Cutthroat competition seriously disturbs the market rule, it is urgent that immediate measures should be taken to stop the situation.

恶性竞争严重扰乱了市场秩序，必须采取有效措施遏制这种情况。

Some companies adopt malicious marketing methods to beat competitors.

有些公司采取恶意营销手段打击竞争对手。