unenergetic atmosphere 沉闷的氛围
unenergetic response 缺乏热情的反应
unenergetic music 枯燥的音乐
unenergetic student 无精打采的学生
1. The party felt unenergetic because there was no music.
因为没有音乐，派对显得毫无生气。
2. He gave an unenergetic presentation, and the audience started checking their phones.
他的演讲缺乏活力，观众开始看手机。
3. The meeting was long and unenergetic.
会议又长又沉闷。
A: Why did you leave the club early?
A：你为什么早点离开俱乐部？
B: It was too unenergetic. No one was really dancing or having fun.
B：太沉闷了。没人真正在跳舞或玩得开心。
1) 缺乏活力的
2) 沉闷的
3) 无精打采的
1. adj. 缺乏活力的，沉闷的（注：非常用词，通常用 lifeless 或 dull 代替）
e.g. The atmosphere in the room was unenergetic and dull. 房间里的氛围沉闷而无趣。
adjective
1. Lacking energy, vigor, or spirit; dull or lifeless. (Note: 'Energetic' is the standard antonym; 'unenergetic' is rare and often replaced by 'lifeless' or 'languid'.)
Synonym: lifeless, dull, listless