perfect
adj.
early 15c. alteration of Middle English parfit (c.1300), from Old French parfit "finished, completed, ready" (11c.), from Latin perfectus "completed, excellent, accomplished, exquisite," past participle of perficere "accomplish, finish, complete," from per- "completely" (see per) + facere "to perform" (see factitious). Often used in English as an intensive (perfect stranger, etc.).
v.
"to bring to full development," late 14c., parfiten, from perfect, adj.. Related: Perfected; perfecting.
〔李〕[per-=thoroughly 彻底；fect=to make or do 做⇒“made or done thoroughly 做得彻底完全”→] Ⅰ a. having no faults；without defect 尽善尽美；完整无误
〔李〕[per-=throughout彻底；fect=to do做→“to do throughout, or done thoroughly做得彻底”→]Ⅰa. complete and faultless完美的