誓言是两人甜蜜时的失言
[shì yán shì liăng rén tián mì shí de shī yán]
Translating to 'Oath is the Misspoken Word in a Sweet Moment', this suggests a romantic but slightly bittersweet undertone. It reflects on how promises made during times of intense affection may sometimes be rash or unfulfilled, highlighting a mix of love and remorse.