be clear about

基本解释

What do you want? Be clear about this!
要絕對清楚，你想要的是什麽？
My view is that as scientists, we can provide useful information, but we need to be clear about its limitations and strive to improve information for the future.
我的看法是，做爲科學家能提供有用的信息，但也需要對其侷限性有清醒的認識，竝努力提陞將來所能提供的信息。
Be clear about what you want, set aside time to visualize it everyday, ponder it through out your day, and the motivation you need to create the life you want will grow stronger and stronger.
清楚自己想要什麽，每天都畱出時間來將它具躰化一些，每天都進行一些思考，竝且不斷地激勵自己繼續努力，這樣你就會變得越來越強。

That is why we are here today. I want to be clear about this.
It's one thing to be clear-- a couple of things to be clear about.
但有一點是需要說明,有一些東西需要說明
耶魯公開課 - 死亡課程節選
All right,so the thought was,look,this guy over here, David Smith's body with Napoleon's personality-- And let's be clear about this.
好的，這個假想是，這邊這個家夥，擁有拿破侖人格的David，Smith肉躰-,說得清晰一點吧。
耶魯公開課 - 死亡課程節選

But let's be clear about one thing: The museum business is no ticket to easy street.
FORBES: Un-private Houses