1. He is very transparent; his actions are consistent with his words.2. My dad's actions correspond with his words.3. If parents do not practice what they preach while raising their children, their children may be confused. Therefore, it is important for parents to practice what they preach.
 Practice what you preach. one's actions are consistent with one's words one's actions correspond with one's words這些都是正統的美語說法, 就是指你鼓吹什麼就應該做什麼
I tried to explain how the software works to my dad, but he is slow on th uptake.