Definition

1. Noun:
   • A switch; a rod; a cane: A long, thin, flexible stick, typically made of bamboo, rattan, or leather, used for striking or beating.
   • A whip: Specifically, a leather whip used for driving animals, such as horses.
   • (Biology) A flagellum: A slender, whip-like appendage that enables many microorganisms to swim.

Usage Examples

• Noun:
  • Người nông dân dùng roi để điều khiển con trâu. (The farmer used a switch to guide the buffalo.)
  • Tên cai ngục đánh tù nhân bằng một cây roi da. (The jailer beat the prisoner with a leather whip.)
  • Ngựa phi nhanh sau một nhát roi. (The horse galloped faster after a crack of the whip.)

Advanced Usage

• "Roi ngựa": A horsewhip or riding crop.

  • Kỵ sĩ cầm chắc roi ngựa. (The rider held the horsewhip firmly.)

• Used metaphorically to describe something harsh or punishing:

  • Lời nói của cô ấy sắc như roi. (Her words were sharp like a whip.)

Variants and Related Words

• Vọt (n/v): A synonym for whip; to whip. Often implies a sharper, more severe action.
• Gậy (n): A stick or staff, generally thicker and less flexible than a , used for support or hitting.

Synonyms

• Switch: A slender, flexible rod used for striking.
• Whip: A length of leather or similar material with a stiff handle, used for striking or as an instrument for driving animals.
• Cane: A slender, straight stick, often used for punishment.
• Rod: A thin, straight bar, especially of wood or metal.

Related Idioms

• Ăn roi: To be whipped; to receive a beating.

  • Đứa trẻ hư bị ăn roi. (The misbehaving child got a whipping.)

• Roi vọt: (Literally: whips and lashes) Refers to corporal punishment or harsh, oppressive treatment.

  • Thời thơ ấu của ông ấy đầy roi vọt. (His childhood was full of beatings.)

• Miệng lưỡi như roi: (Literally: a tongue like a whip) To have a sharp, cutting, or sarcastic tongue.

  • Đừng tranh cãi với bà ấy, bà ấy miệng lưỡi như roi. (Don't argue with her; she has a tongue like a whip.)

noun

1. switch; rod cane
   • bị đánh bằng roi
     to be beaten wth rods