n.[C]

1. 誓，誓言，誓約[（+of）][+to-v]
   We made a vow to stay friends forever.

   我們發誓永遠做朋友。

2. 鄭重宣言；許願
   My parents are under a vow to go to church every Sunday.

   我父母許願，每星期日都去做禮拜。

3. 立誓出家；遁入空門

vt.

1. 發誓要（做）[+to-v][+（that）]
   I vowed never to reveal the secret.

   我發誓絕不洩漏這一祕密。

2. 鄭重宣告[+（that）]
   She vowed that she would take the matter to court.

   她鄭重宣布要把這事訴諸法律。

vi.

1. 發誓，許願
2. 鄭重宣告

n.

v.

1. solemnly promise to do something.
2. archaic dedicate to someone or something, especially a deity.