夢Dream. Something you see as if it were real when you are asleep. Something you hope to achieve in the future. A pleasant thought that takes you away from reality. Something fleeting. Uncertainty.
乃In other words. For that reason. So. A long time ago. In the past. You. A second-person pronoun for a person of equal or inferior status. The word for "no" is used in particles.
梛"Nagi (a kind of tree). A tall evergreen tree of the maki family. Because its leaves are not easily broken, it was customary for women to put the leaves behind a mirror to prevent the breakup of the relationship between a man and a woman."
大Big. Large. Large in number or quantity. Greatly. Valuable. Important. Excellent. Splendid. Very much. Much. (Power or force) strong. long time. To be high in rank or position.