孢

learning, knowledge, science

character, letter, symbol, word

son, child

a quarter-year, a season

to exist

grandchild, descendent

opening, hole, orifice

filial piety, obedience

to announce, to report

wrap, pack, bundle

to embrace, to hold in one's arms

treasure, jewel

to safeguard, to protect, to defend, to care for

crackle, pop

thin, slight

fort, fortress