Idiom of the Day: at sea - all at sea - If you're at sea, or all at sea, you're confused about something and not sure what to do. - I'm all at sea with our new spreadsheet software. I just can't understand it. ( Englishh 0231 y0n )

https://translate.google.com/#view=home&op=translate&sl=en&tl=vi&text=at+sea+-+all+at+sea+-+If+you're+at+sea,+or+all+at+sea,+you're+confused+about+something+and+not+sure+what+to+do.+-+I'm+all+at+sea+with+our+new+spreadsheet+software.+I+just+can't+understand+it.