好好管教自己，不要管别人。

Good discipline yourself, do not control other people.

youdao

一位来自贝德福德郡的母亲称其子很好管教，把他关在卧室里呆一天，只给点儿面包和水，他的淘劲儿很快就荡然无存了。

A Bedfordshire mother reported that her son was "easy" : a day locked in his bedroom with bread and water was enough to curb naughtiness.

youdao

她还说：“切尔西应该好好管教一下它的球员们，这是一家伟大的俱乐部，但是队员们每次外出都搞一夜风流让俱乐部形象受损”。

She said: 'Chelsea should keep a tighter leash on their players. It is a great club, but they are tainting its image by trying to bed women every time they go out.'

youdao

And I still can't deal with rowdy children.

可我还是没法管教好淘气大王。

I get so upset 实战 - SpeakingMax英语口语达人