without the owner present; not being watched or cared for 主人不在場的;無人看管(或照料)的 unattended vehicles 無人看管的車輛 Never leave young children unattended. 小孩絕不能無人看管。 He found the reception desk unattended. 他發現接待處無人看管。
Oxford Collocations DictionaryUnattended is used with these nouns:- vehicle