n.【古】

1. 忠誠，忠實
2. 諾言，承諾；誓言
3. 訂婚
   They plighted their troth for the rest of their days.

   他們倆盟誓結為終身伴侶。

4. 真實，事實
   In troth I think she would.

   的確，我想她會的。

vt.

1. 同……訂婚

n.

1. archaic or formal faith or loyalty when pledged in a solemn agreement or undertaking.
2. archaic truth.