她非常明确地表示她说了算。

She made it ___crystal ___clear that she was in charge.

说明非常清晰明了，没有误解的余地。

The instructions were ___crystal ___clear; there was no room for misunderstanding.

所有人都非常清楚，战略上的改变是必要的。

It was ___crystal ___clear to everyone that a change in strategy was necessary.