Hello everyone. How are you? The weather is very changeable. I am doing fine.
知りません。 を英語でどう言いますか?
I have no idea where Mary comes from.
I have no idea why Emi said such a thing.
I have no idea when Tom came to Niihama.
I have no idea what Ken meant at that time.
Have no idea は知らないという意味でよく使われます。もちろん I don’t knowも使えます。