English translation of '孜孜不倦'

• director general
• director-general
• directorial
• directorially
• directories
• director of admissions
• director of education
• director of music
• director of photography
• director of public prosecutions
• director of studies
• director's chair
• directors-chair
• director's cut
• directors-cut
• directorship
• directory
• directory assistance
• directory enquiries
• directory inquiries
• direct primary
• direct primary election
• direct proportion
• direct public offering
• direct question