All those children unsupervised sounds to me like a recipe for disaster.那些孩子全都没人看管，在我听来这会出大乱子。Never leave your luggage unattended.决不要把行李放在没人看管的地方。Never ever leave your kids alone.千万不要让孩子没人看管。Young children should not be left by themselves.年龄小的孩子不应该没人看管。