用法:
1 person who receives help or advice from a professional person (eg a lawyer, an accountant, a social worker, an architect, etc) （律师、 会计师、 社会工作者、 建筑师等的）委托人, 当事人.

用法:
2 customer in a shop （商店的）顾客, 主顾.

• fly-half 1
• flying 1
• flying buttress
• flying colours
• flying column
• flying doctor
• flying fish
• flying fox
• flying jump (also flying leap)
• flying officer
• flying picket
• flying saucer (also unidentified flying object)
• flying squad
• flying start
• flying tackle
• flying visit
• flyleaf
• flyover
• fly-paper 1
• fly-past 1
• flysheet
• fly-spray 1
• flyweight 1
• flywheel
• FM