upside down 1. 颠倒着，倒转着 They were hanging upside down. 他们身体倒挂着。 They found the lifeboat floating upside down. 他们发现那救生艇倒扣着漂浮在水面上。 They want to turn society upside down. 他们想要彻底改变社会。 2. 一团糟，混乱不堪 He turned the place upside down looking for his cellphone. 为了寻找他的手机，他把那地方翻得乱七八糟。