equal to the task

A couple are talking ...

Wife: I am a little worried about going away for the weekend and leaving the children home alone.

Husband: Well, Johnny is fifteen and Katy is sixteen. I certainly think they are old enough to be left alone for a weekend. They are equal to the task of being unsupervised for a weekend.

Wife: I suppose you are right. They have been making some very mature and wise decisions lately. And they do have a good sense of responsibility. OK. They will be fine.

Husband: We could ask my mother to stop by and check in on them to be on the safe side.

1. leave alone   让。。。独自（在家）或不陪伴

2. equal to the task     称职/胜任

3. unsupervised          不用人管

4. mature    成熟的

5. wise     明智的

6. on the safe side    确保安全