The burglar entered through the front door, which the householder had neglected to lock.户主疏忽忘了锁门，使得窃贼从前门直入。The householder was not home when the teacher called.老师打电话时，家长不在家。The householder has a duty to take reasonable care for the visitor's safety.房屋主人有责任对来访者的安全给予恰当的关照。