plaintively
adv. 哀怨地；伤心地
例句
Tom buried his head among his pillows, murmuring plaintively, "Alack, it was no dream!"
汤姆把头埋在枕头里，伤心地低声说：“咳，这不是梦！”
Birds cry plaintively before they die, men speak kindly in the presence of death.
鸟之将死，其鸣也哀；人之将死，其言也善。
《新英汉大辞典》
"Why? What did I do wrong?" he asks plaintively.
“为什么？是因为我过去做错了什么吗？”他忧伤地问道。
