之Go. A word that refers to a person, thing, or thing. A word denoting a subject or modification.
介Help. A person who helps. To be near, to accompany. to take care of. To intercede. To make friends with. to separate. to separate. to be firm. To protect tightly. Something that covers the outside to protect oneself. boundary. border.
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.
助Help. To lend help. To get out of a dangerous situation. To save.