like: 专业知识 → →
Fachwissen, das Know-how ☊ 
专业知识 ☊ zhuānyè zhīshí 专业知识 [zhuan1 ye4 zhi1 shi5] ☊ 
specialized knowledge ☊ 
Fachkenntnisse ☊ Fachwissen, das Know-how ☊ 专业知识 ☊ zhuānyè zhīshí 专业知识 [zhuan1 ye4 zhi1 shi5] ☊ specialized knowledge ☊ Fachkenntnisse ☊