Definition

Noun: 1. Ascaris; roundworm: A type of parasitic worm (helminth) that infects the human intestines. The term "sán lãi" is often used in a general, non-clinical context to refer to intestinal worms, particularly the large roundworm Ascaris lumbricoides. 2. (Informal) Worms; parasites: A common term for intestinal parasitic worms, especially in children or in the context of traditional medicine and folk remedies.

Usage Examples

• Noun:
  • Trẻ con dễ bị nhiễm sán lãi nếu không giữ vệ sinh tay chân. (Children are prone to getting worms if they do not maintain hand hygiene.)
  • Triệu chứng của nhiễm sán lãi có thể là đau bụng và suy dinh dưỡng. (Symptoms of ascaris infection can be stomach ache and malnutrition.)
  • Bà ngoại thường cho cháu uống thuốc nam để tẩy sán lãi. (My grandmother often gives me herbal medicine to expel intestinal worms.)

Advanced Usage

• The term "sán lãi" is commonly used in everyday language, public health advisories, and traditional medicine. In precise medical or scientific contexts, specific terms like "giun đũa" (for ) or "giun kim" (pinworm) are preferred.
• It can be part of compound terms describing the state or treatment of infection.
  • "Nhiễm sán lãi": to be infected with worms.

    • Xét nghiệm phân xác định cháu bé bị nhiễm sán lãi. (A stool test confirmed the child had a worm infection.)
  • "Thuốc tẩy sán lãi": deworming medicine; anthelmintic.

    • Bác sĩ kê đơn thuốc tẩy sán lãi cho cả gia đình. (The doctor prescribed deworming medicine for the whole family.)

Variants and Related Words

• Giun đũa (n): The specific scientific/common name for the roundworm .
  • Giun đũa là một loại ký sinh trùng đường ruột phổ biến. (The roundworm is a common intestinal parasite.)
• Giun sán (n): A broader collective term for parasitic worms (helminths), including both roundworms (giun) and flatworms (sán like tapeworms).
  • Ăn thịt tái sống có nguy cơ nhiễm giun sán. (Eating raw meat carries a risk of worm/helminth infection.)
• Ký sinh trùng đường ruột (n): Intestinal parasite (the formal, general category).

Synonyms

• Intestinal worm: A general term for worms living in the intestines.
• Roundworm: Refers to the shape and biological class of the parasite.
• Helminth: The formal scientific term for parasitic worms.

Related Idioms and Common Phrases

• "Bụng có sán lãi" / "Bụng đầy sán lãi": Literally "to have a belly full of worms." Used to describe someone, especially a child, who is very thin or malnourished, often suspected to be due to a parasitic infection.
  • Nhìn con gầy gò, người ta hay nói "chắc bụng nó đầy sán lãi". (Looking at the skinny child, people often say "his belly must be full of worms.")

noun

1. ascaris