I have no idea to this day what those two Italian ladies were singing about.
直到今天我都沒(méi)有搞懂那兩個(gè)意大利女人在唱什么.
I have no idea...:used to emphasiza that you don't know anything about sth (表示對(duì)某事一無(wú)所知)
I had no idea Alex was coming this afternoon.
我一點(diǎn)兒也不知道亞歷克斯下午會(huì)來(lái).
'What's she talking about?' 'I've no idea.'
"她在講什么?""我一點(diǎn)也不了解."
to this:day even now, when a lot of time has passed 直到如今;甚至現(xiàn)在
To this day, I still don't understand why he did it.
我直到今天仍然不明白他當(dāng)時(shí)為什么那樣做.