under oath

• adj. 发誓(宣誓)

例句

用作形容词 (adj.)

1. Before giving evidence you have to swear an oath.
   在作证之前你得先发誓。
2. He took an oath that he would not tell lies.
   他发誓不说谎。

词汇搭配

• put someone under oath 使某人发誓说实话...