practise what you preach
成語所屬單字practise
practise what you preach — 慣用語
1. to behave in the way that you advise or tell other people to behave — in other w
1.慣用語
釋義
以身作則；言行一致
to behave in the way that you advise or tell other people to behave — in other words, to follow your own advice and set a good example.
例句
The manager always tells his staff to arrive on time, so he should practise what he preaches.
Parents who practise what they preach build more trust with their children than parents who just give orders.