oath

誓言，誓约，宣誓英释nna formal and very serious promise

1 oath of office,就职宣誓

2 under oath,宣誓；发誓说真话

3 on oath,宣誓；发誓

4 take an oath,宣誓；发誓；立誓

5 hippocratic oath,[医]希波克拉底氏誓言（立誓拯救人命及遵守医业准绳）

1 The president took the oath of office (= made the official public promises that every president makes when starting their job ) ..总统宣誓就职。

2 She could not break her oath ..她不能违背誓言。