unlawful：不法的，违法的；不正当的，不道德的

词根词缀：un-否定 +law法律 + -ful

• pre-qualifying
• prequel
• pre-record
• preregister
• prerequisite
• prerogative
• presage
• presby-
• presbyter
• Presbyterian
• presbytery
• preschool
• prescient
• prescribe
• prescription
• prescriptive
• preselect
• presell
• presence
• present
• presentable
• presentation
• presenteeism
• presenter
• presentiment