子牛

1. Origins, structure, and basic meaning

• Structure: 子牛 is read as こうし and is a noun for a calf, meaning a young bovine.
• Basic usage: A newborn calf appears in 生まれたばかりの子牛, while giving hay to a calf appears in 子牛に干し草を与える.

2. Common pitfalls and similar expressions

• Relationship to 牛
  • 牛 refers broadly to cattle, whereas 子牛 specifically refers to a young animal.