swearer

名词 swearer:

1. someone who uses profanity
2. someone who takes a solemn oath

1. Many of my friends are using word processors but I still swear by my old typewriter.
   我有许多朋友都使用文字处理机，可我还是爱用我的老式打字机。
2. I swear by Almighty God that I will tell the truth.
   我对万能的上帝发誓我要说真话。
3. I swore her to secrecy about what I had told her.
   我要她起誓对我告诉她的事保守秘密。
4. They swore an oath to carry out their duties faithfully.
   他们发誓要忠实履行自己的职责。