discipline形容词 self

self-discipline不是形容词，是名词

例句

1、

Are you sure that you have the self discipline necessary to work from home?

你是否确定你有回家工作的自律性

2、

The basis of abiding by law lies in a kind of self discipline.

广大人民遵守法律的落脚点在于一种道德自律。

3、

When it comes to building wealth， having knowledge is important but self discipline is even more important.

说到积累财富，知识固然重要，但更缺不了自律。