士"Male. Adult male. A learned and respectable man. A beautiful name for a man. A man who excels in learning and knowledge. A man with a title. A samurai. A military man. A man who has acquired special qualifications or skills. To perform a task. To serve."
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.
斗Ladle. A tool with a handle for scooping water or alcohol. A square for measuring the amount of grain, liquid, etc. A unit of capacity, 1斗 is about 18 liters. The name of a constellation, such as the Big Dipper or the South Star. Small. The name of a constellation. Suddenly.
幹Trunk. The thick central part of a tree. The torso part of a body. The center of things. Skill. Ability. Action. Talent. To act as the center of something.