oath

1 ENTRIES FOUND:

oath /ˈoʊθ/ noun

plural oaths /ˈoʊðz/

oath

/ˈoʊθ/

noun

plural oaths /ˈoʊðz/

Learner's definition of OATH

[count]

: a formal and serious promise to tell the truth or to do something誓言；誓词；誓约

They were required to take/swear an oath of loyalty. [=promise formally to remain loyal]他们被要求宣誓效忠。
an oath to defend the nation保卫国家的誓言
an oath of office [=an official promise by a person who has been elected to a public office to fulfill the duties of the office according to the law]就职宣言

old-fashioned : an offensive or rude word that is used to express anger, frustration, surprise, etc.诅咒；咒骂

under oath

law also on oath

: having made a formal promise to tell the truth in a court of law（在法庭上）宣誓说实话，经宣誓

In a U.S. court of law, a witness must swear under oath to tell “the truth, the whole truth, and nothing but the truth.”在美国的法庭上，证人必须宣誓“说实话，说全部的实话，只说实话”。
He said in testimony given under oath that he was not there the night of the crime.他在法庭上宣誓后做证，案发当晚他不在现场。