to give something valuable to someone who does not understand that value: to cast pearls before swine

bandana

(baseball) bunt

(baseball) to bunt

old age, one's later years, one's last years, the time near the end of one's life

band (clothing accessory) / band (group of musicians) / band (type of broadcast frequency)

train track number

(literary) myriad blossoms

(historical, Taiwan under Japanese rule) management of the aborigines

(historical, Taiwan under Japanese rule) aboriginal clothing