She was singing the saddest lullaby he had ever heard.

她唱着他曾听到的最悲哀的催眠曲。

youdao

He was singing softly to the baby.

他对宝宝轻声哼着歌。

《牛津词典》

"He was singing love songs to me," she said, "and I sang them back to him."

“他在唱情歌给我听，”她说，“然后我回唱给他听。”

youdao

Many people knew that when Hank sang this song, "Cold Cold Heart", he was singing about his wife and their problems.

VOA: special.2009.11.22

She felt her heart tremble every time he shot an unsuspecting bird as it was singing in the trees.

VOA: special.2010.04.03

He was five years old when he began singing with his brothers in a group called the Jackson 5.

VOA: special.2009.07.05

Just about seven seconds away from where he was singing was another African giant, Youssou N'Dour.

BBC: A weekend in Womad world

Mr James Taghdissian, prosecuting, told the court when Webber was eventually detained he was singing "doh, ray, me" to ward off aliens he perceived to be threatening him.

BBC: Exeter car chase driver was 'escaping aliens'

He was singing about what he believed to be.

CNN: Sharpton?answers Bush in speech