We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏,
As far as I could see, it needed only a minor adjustment: a turn of a screw here, a little tightening up there, a drop of oil and it would be as good as new.
在我看来,只需稍加调整即可。这儿紧紧螺丝,那儿固定一下,再加几滴油,就会像新的一样了。