So, you could just just say, " I'm drawing a blank."

所以，你可以只说，“我在画一个空白。”

I'm trying to jot down some ideas for the meeting tomorrow but I'm drawing a blank.

玲：我正试图为明天的会议记下一些想法，但我一片空白。

Ling says that she's " trying to jot down some ideas for the meeting tomorrow but" she's " drawing a blank" .

玲说她“试图为明天的会议写下一些想法”，但她“一片空白”。

Ling is drawing a blank for the meeting that she has tomorrow; she needs to come up with - to create - some new ideas.

玲正在为明天的会议画空白;她需要想出——创造——一些新的想法。