I infer his bad mood from his cold tone of voice.

 从他冷淡的说话语气，我推敲出他的坏心情。

youdao

Suddenly he laughed again, but this time with a cold, sharp tone. RETURN.

突然，他又笑起来，但是这次腔调冷酷而尖利。

youdao

Suddenly he laughed again, but this time with a cold, sharp tone. RETURN.

突然，他又笑起来，但是这次腔调冷酷而尖利。

youdao