You can use their delight as a way to instill healthy habits you'd otherwise be inclined to preach about, such as eating veggies and going to bed on time.

因此，你可以抓住孩子的这一特点，利用他的兴趣来逐步培养比如多吃蔬菜，按时上床睡觉等健康的生活习惯，否则，光是用复杂的说教是行不通的。

youdao

One way to keep them at bay is to preach conservation.

FORBES: A Dirty Game