世The world. Also refers to 30 years. During a person's life. A lifetime. The period of time before a person inherits a position from his parents and passes it on to his children. To pass on from generation to generation. A period of time. The world. Society.
深Deep. The bottom is deep. The water is deep. The colors are deep. The night is deep. Deep in meaning and thought. Excessive. Very much. Very hard. Severe.
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.
吏A government official. A lower-ranking official. To govern. It is a metaphor for sincerity and hard work, as it originated from a government official who worked hard.
