1. The mother crooned her baby to sleep.
    母亲低声哼着哄婴儿入睡。

1. He crooned into the microphone.
    他充满柔情地对着麦克风唱流行歌曲。

1. 低唱：crooknecked 颈部弯曲的 | croon 低唱 | crooner 低声唱歌者

2. croon的近义词

2. 低声歌唱：crook 使弯曲;钩状物 | croon 低声歌唱 | crouch 蹲伏

3. 低吟：croon 低唱 | croon 低吟 | crooner 低声唱歌的人

1. 低声哼唱
    If you croon, you sing or hum quietly and gently.

    e.g. He would much rather have been crooning in a smoky bar...
           他宁愿在烟雾缭绕的酒吧里哼唱歌曲。
    e.g. Later in the evening, Lewis began to croon another Springsteen song.
           那天晚上晚些时候，刘易斯开始哼唱另一首斯普林斯汀的歌曲。

2. (尤指伤感或不真诚地)轻声说
    If one person talks to another in a soft gentle voice, you can describe them as crooning, especially if you think they are being sentimental or insincere.

    e.g. ''Dear boy,'' she crooned, hugging him heartily...
           “乖儿子，”她轻声说着，把他紧紧地抱在怀里。
    e.g. The man was crooning soft words of encouragement to his wife.
           那个男人正温柔地轻声鼓励他的妻子。

1. sing softly