"I don't know why they left," he said dolefully.
“我不知道他们为什么离开，”他哀愁地说道。
柯林斯例句
His mother looked at him dolefully when he told her he had joined the Army.
当他告诉他的妈妈已经参了军时,他的妈妈伤心地看着他.
《简明英汉词典》
She shook her head dolefully.
她忧伤地摇了摇头.
互联网
His mother looked at him dolefully when he told her he had joined the army.
当他告诉自己的母亲自己已经参军入伍时,他的母亲伤心地看着他.
互联网
"his mother looked at him dolefully when he told her he had joined the Army"