【小题大作——咬文嚼字】
I can't tell you what Jerry said about you.

Say about something or somebody 意思是：论某人或某事。She said nothing to me about it. 她没有跟我说过这件事。He knew if he wasn't be back by midnight, his father would have something to say. In this sentence, have something to say means“to be angry’.他知道如果他半夜还未归家的话，他的父亲会发火的。

Talking of "say", we have some useful short sentences. They are as follows:

1 I said to myself, ' That can't be right. '我心想，那不对。“Say to oneself” means "think".

2 —— That's impossible. —— So you say.
—— 那不可能。—— 不见得。"So you say." means "I think you might be wrong."

3 It's said that she lived to be over 100 years. 据说她活了100多岁了。It's said that + a clause 意思为据说。It's similar to saying "Rumour has it that..." or "Report has it that... "

4 —— Why can't I go out now? —— Because I say so.
—— 我为何现在不能出去？ —— 因为我说了算。

5 —— What do you want it for? —— I would rather not say.
—— 你要这做什么？ —— 我还是不说的好。

As for sentence structure analysis, can't tell is predictive. "What Jerry said about you" is an objective clause used as direct object. "You" is indirect object.

【对话翻译】

A : Mom, I can't tell you what Jerry said about you.

B : Out with it. I want to know everything.

A : 妈妈，我不能告诉你Jerry是如何说你的。

B : 别隐瞒了，说出来吧。我想知道。

Alright, that's enough for today. It is Friday today. May you have a nice day. Thank you for your listening this time. See you next time.

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