Get on with moving forward and don't just sit there moping.

继续前进，不要只是坐在那里闷闷不乐。

金山词霸

He's been moping about all day.

他百无聊赖地转悠了一整天.

《简明英汉词典》

He has been moping all day.

他整日闷闷不乐.

《现代英汉综合大词典》

Mope around He's been moping around ( the house ) all day.

他整天都在 ( 房子 ) 周围瞎转悠.

互联网

JERRY: How can I ever have you over? You'll sit there moping.

杰瑞: 我怎么能这样对你 呢,你在那里闷闷不乐呢.

互联网

It's sad to see her moping about the house like this. What's the matter with her?

看见她在房里这样郁郁不乐地走来走去真是可怜. 她出了什么事了?

互联网

Why don't you stop the bullshit? I bet you been moping around asas she has.

为什么不停止说这些废话? 我打赌你和她一样擦眼泪.

互联网