piece of jade used in ancient China

pearl, gem, jewel

an egg

(religion, folklore) a soul, spirit / mind, spirit, vigor/vigour, willpower / (figuratively) spirit (manner or style of something, enthusiasm) / (figuratively, by extension) attitude, readiness

a spirit or demon

(honorific, used adverbially) ...says

get a haircut

white gem, such as a pearl / rice flour dumpling / (figuratively) an especially dear person / abbreviation of 白玉椿 (shiratamatsubaki, “white camellia”)

(idiomatic) dumb, slow, stupid

(idiomatic) bright, intelligent, sharp