1.He sat there staring at me with a vacant look.
他坐在那儿，茫然地看着我。
2.Ever since the death of her beloved husband, she has had the kind of vacant look on her face.
自从挚爱的丈夫去世以后，她的脸上总是出现那种茫然的表情。
3.eg. She had a vacant look on her face.
她脸上露出茫然的神色。
4.Grandma: Oh, I've given him plenty of hints. I sit still, staring straight ahead with a vacant look on my face.
外婆：我给他的爱是已经够多的了，我坐在那，茫然的，一声不响的。我的眼睛一直看着前面。
5.The adults were often listless, with wasted bodies, shabby clothes and a vacant look in their eyes.
成年人往往倦怠冷漠，一副疲惫衰弱的身躯，衣衫褴褛，双眼空洞无物；
6.From her vacant look we can know that she probably is in bad condition.
从她发呆的样子我们可以知道她也许身体不好。
7.She has a vacant look.
她脸上没有表情。
8.He's got that far away vacant look in his eyes
他的眼中是遥远而茫然的神色