n. a commitment to tell the truth (especially in a court of law); to lie under oath is to become subject to prosecution for perjury
n. a solemn promise, usually invoking a divine witness, regarding your future acts or behavior
n. 誓约, 誓言, 咒骂
[法] 誓言, 誓约, 宣誓
1. He took an oath to tell the truth in court.
他在法庭上宣誓说实话。
2. The president swore an oath to protect the country.
总统宣誓保护国家。
3. She made an oath of loyalty to her friends.
她向朋友们宣誓忠诚。