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.
孝A child who serves his or her parents well. Cherish your parents. To take good care of one's ancestors. A person who has inherited ideas, goals, etc. from parents or ancestors.
空Sky. Atmosphere. Heaven. Big. Wide. Empty. No substance. Meaningless. Useless. In Buddhism, something without substance or essence. A thing related to aviation.
宗Doctrine. The teachings of God and Buddha. The beginning of things. The root. Ancestor. Head family. A place where ancestors are worshipped. A central figure. A person whom people respect.
然That is true. Exactly. To express affirmation or agreement. To admit that something is right. However. A word that is added after an adjective expressing a state.