当涉及到孩子的教育问题时，父母常认为自己最清楚该怎么做。

Parents often believe they ___know ___best when it comes to their children's education.

那句老话，“父亲最明白”，在现代家庭中并不总是正确的。

That old saying, 'Father ___knows ___best,' is not always true in modern families.

在技术问题上，首席工程师应该最了解情况并做出最终决定。

In technical matters, the lead engineer should ___know ___best and make the final call.