賊 Simplified: 贼 On the HSK 7-9 vocabulary list, at CEFR level C2. zéi ㄗㄟˊ thief robber traitor subversive bound form evil wicked bound form sly shifty devious to harm to injure literary extremely insanely damn (common in NE China and Taiwan) coll. Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT