We have tried to avoid any moralizing.

我们已力图避免任何形式的说教。

Grandmother was moralizing as usual.

祖母像往常一样说教。

They are moralizing about the dangers of drink.

他们正就喝酒的危害进行说教。

He's always moralizing about the behaviour of young people.

他总是就年轻人的行为进行说教。

You should avoid saying "it's for the best" or other such moralizing platitudes.

你应避免说类似“一切到最后都会好的”或诸如此类的陈词滥调。