A:I have racked my brain. I still have no idea about how to spend Valentine's day.
我绞尽脑汁，仍然想不出如何过情人节。
B:Just take her to a high ranking restaurant and present her with a bunch of flowers.
那就带上她去一个高级饭店，然后送她一束花。


发音训练
I still have no idea about how to spend Valentine's day.
Just take her to a high ranking restaurant and present


口语训练
rack one's brain 绞尽脑汁
He had racked his brain but he could not be able to work out the answers to the problem.
他已经绞尽脑汁，但是还是无法想出这个问题的答案。
I racked my brain trying to recall where we put the key.
我绞尽脑汁回想我们把钥匙放在哪里了。

have no idea about... 不知道做...
If you have no idea about it, consult a dictionary, please.
要是你对这个问题不清楚，请查字典。
I have no idea about her visit except that she is likely to be away for several months.
我对她的访问情况一无所知，只知道她可能要外出好几个月。

present sb with sth 赠送某人某物
They presented the college with a sum of money.
他们向学院赠送了一笔款项。