adj.主人不在场的，无人看管(或照料)的

The house was left unattended for weeks while the owners were on vacation.
房主度假期间，房子无人看管了数周。
The baby was sleeping soundly in the unattended pram on the park bench.
婴儿在公园长凳上的无人看护的婴儿车里熟睡着。
The unattended package in the airport terminal raised security concerns.
机场航站楼里的无人看管包裹引起了安全忧虑。
The pet dog was left unattended in the backyard for hours.
这只宠物狗在后院被单独留了几个小时。
The pot of boiling water on the stove was dangerously unattended.
炉子上煮沸的水壶处于危险的无人看管状态。
The unattended children were playing with matches, which was a fire hazard.
这些无人看管的孩子们正在玩火柴，这是火灾隐患。
The valuable artwork was displayed in an unattended gallery, making it vulnerable to theft.
价值连城的艺术品在无人看守的画廊中展出，容易被盗。
The unattended luggage was promptly reported to the authorities.
发现无人认领的行李后，人们立即报告给了相关部门。
The unattended car with its engine running attracted curious onlookers.
一辆开着引擎但无人看管的汽车引起了围观者的好奇。
The patient's condition worsened due to unattended medical needs.
病人的病情因为未得到及时的医疗照顾而恶化。