3 sentences

1. 简，他是国家公敌。

   jiǎn, tā shì guó​jiā gōng​dí.

   Jane, he's an enemy of the state.

   Source: OpenSubtitles

2. 环境污染是全人类的公敌。

   huán​jìng wū​rǎn shì quán rén​lèi de gōng​dí.

   Environmental pollution is the common enemy of all mankind.

   Source: Dong Chinese Dictionary

3. 你是国家公敌。

   nǐ shì guó​jiā gōng​dí.

   You're an enemy of the state.

   Source: OpenSubtitles