I take an oath of secrecy.

我发誓保守秘密。

Before giving evidence the witness had to take an oath.

证人作证前要先宣誓。

As teachers of Kundalini Yoga, we take an oath: "I am not a woman."

作为一个昆达理尼瑜伽老师，我们宣誓：“我不是女人。”

So if you take an oath in front of fire, then you cannot go against it.

因此，如果你在火焰面前宣誓，你就不能违背誓言。

Objective important document: Eestablish the system of witness to take an oath.

客观要件：应建立证人宣誓制度。