这首民歌充满了对逝去爱情的由衷哀叹。
The folk song is filled with a heartfelt ___lament for lost love.
他哀叹自己错过了那次难得的机会。
He ___lamented missing that rare opportunity.
她坐在墓前,哀悼着逝去的爱人。
She sat by the grave, ___lamenting the loss of her beloved.