"will you be alright without sleep" is the literal meaning.
It means 'How old are/is you/he/she'.
How old are you?
Nansai desu ka? Means what year is/was it? Nan=what Sai=year Desu=to be(is/was) Ka=questions particle. Its literal translation is "what year is?" the subject that you are talking about is implied by the context of the conversation.
You may simply ask รคยฝโขรฆโฐยรฃยยงรฃยโขรฃยโน (nansai desu ka) if you wanted to know the addressee's age in Japanese. In most cases you won't need to specifically use the word 'you', as it is assumed that if one is asking a question, it is directed at the listener.
It was used in the martial art of kobudo. It is a dagger-shaped truncheon.
You will now be my girlfriend
募債 /bo sai/ in Japanese means 'increase of loan'.
Prema means love. The next avatar of Sai would be Prema sai which mean the sai of Love.
juukyuu sai desu
juusan sai
It is 'sai,' written: 犀
Sai (VDW was here)
The kanji is 歳 (sai).
サイネージ (sai nee ji)(ee:long e) is Japanese for the exact word 'signage'.